LaTeX Forum

\begin{filecontents}{literatur.bib}
@book{Berg.2012,
 author = {Berg, Jeremy M. and Stryer, Lubert and Tymoczko, John L.},
 year = {2012},
 title = {Biochemistry},
 address = {New York, NY},
 edition = {7. ed., international ed., 2. print},
 publisher = {{Freeman, Palgrave Macmillan}},
 isbn = {978-1-4292-7635-1}
}


@article{Giessen.2016b,
 author = {Giessen, Tobias Wolfgang and Silver, Pamela A.},
 abstract = {},
 year = {2016},
 title = {Converting a natural protein compartment into a nanofactory for the size-constrained synthesis of antimicrobial silver nanoparticles},
 pages = {1497--1504},
 issn = {2161-5063},
 journal = {ACS Synthetic Biology},
 doi = {10.1021/acssynbio.6b00117}
 }
\end{filecontents}


\documentclass[fontsize=12pt,a4paper,ngerman,
twoside,
]{scrreprt}
\usepackage[english, main=ngerman]{babel} 
\usepackage[T1]{fontenc} 
\usepackage[utf8]{inputenc} 
\usepackage{csquotes}
\usepackage[style=numeric-comp,
backend=biber,
sorting=none,
maxcitenames=2,
maxbibnames=99,
uniquelist=false,
giveninits=true,
doi=true,
isbn=false,
]{biblatex}
\addbibresource{literatur.bib}
\DefineBibliographyStrings{ngerman}{andothers = {{et\,al\adddot}}}     %'et al.' anstatt 'u.a.'
\DeclareNameAlias{author}{family-given} %Nachnamen zuerst
\DeclareNameAlias{editor}{family-given} %Nachnamen zuerst
\DeclareNameAlias{translator}{family-given} %Nachnamen zuerst
\renewcommand*{\finalnamedelim}{\addcomma\space}   % Entfernt das 'und' zwischen den letzten beiden Namen einer Liste
\renewbibmacro{in:}{}
	%Änderungen im Literaturverzeichnis
\AtBeginBibliography{
\renewcommand*{\finalnamedelim}{\addcomma\space}   % Entfernt das 'und' zwischen den letzten beiden Namen einer Liste
}


\begin{document}Zitieren im Text \parencites{Berg.2012}{Giessen.2016b}.
\printbibliography
\end{document}

\documentclass[fontsize=12pt,a4paper,ngerman,
twoside,
]{scrreprt}
\usepackage[english, main=ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{csquotes}
\usepackage[
  citestyle=numeric-comp,
  bibstyle=authoryear,
  backend=biber,
  sorting=none,
  maxbibnames=999,
  giveninits=true,
  isbn=false,
]{biblatex}
\addbibresource{biblatex-examples.bib}

\makeatletter
\input{numeric.bbx}
\makeatother

\DefineBibliographyStrings{ngerman}{andothers = {{et\,al\adddot}}}
\DeclareNameAlias{author}{family-given}
\DeclareNameAlias{editor}{family-given}
\DeclareNameAlias{translator}{family-given}
\DeclareDelimAlias{finalnamedelim}{multinamedelim}

% fake APA
\DeclareFieldFormat
  [article,inbook,incollection,inproceedings,patent,thesis,unpublished]
  {title}{#1\isdot}

\renewbibmacro*{in:}{%
  \ifentrytype{article}
    {}
    {\printtext{%
       \bibstring{in}\intitlepunct}}}

\DeclareFieldFormat[article,periodical]{volume}{\mkbibemph{#1}}
\DeclareFieldFormat[article,periodical]{number}{\mkbibparens{#1}}
\renewbibmacro*{volume+number+eid}{%
  \printfield{volume}%
  \printfield{number}%
  \setunit{\addcomma\space}%
  \printfield{eid}}

\begin{document}Zitieren im Text \parencites{sigfridsson}{worman}{nussbaum}.
\printbibliography
\end{document}

\documentclass[fontsize=12pt,a4paper,ngerman,
twoside,
]{scrreprt}
\usepackage[english, main=ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{csquotes}
\usepackage[
  citestyle=numeric-comp,
  bibstyle=apa,
  backend=biber,
  sorting=none,
  maxbibnames=999,
  giveninits=true,
  isbn=false,
]{biblatex}
\addbibresource{biblatex-examples.bib}

\makeatletter
\input{numeric.bbx}
\makeatother

\begin{document}Zitieren im Text \parencites{sigfridsson}{worman}{nussbaum}.
\printbibliography
\end{document}