LaTeX Forum

\documentclass[a4paper,10pt]{article}
\usepackage[ngerman]{babel}

\usepackage[numbers,round]{natbib}
\usepackage{bibgerm}
\usepackage{apalike}
\bibliographystyle{apasoft}

\begin{document}

citep: \citep{handbook-all}

citealp: \citealp{handbook-all}

citet: \citet{handbook-all}

citeauthor: \citeauthor{handbook-all}

\bibliography{biblio.bib}
\end{document}

@BOOK{handbook-all,
 title={Logic and the Modalities in the Twentieth Century, Volume 7 (Handbook of the History of Logic)},
 editor={Dov M. Gabbay and John Woods},
 publisher={North Holland},
 year={2006},
 month={7},
}

\bibliography{biblio}

@incollection{handbook, 
      AUTHOR          = {Paul Gochet and Pascal Gribomont},
      TITLE           = {Epistemic Logic},
      EDITOR          = {Dov M. Gabbay and John Woods},
      BOOKTITLE       = {Logic and the Modalities in the Twentieth Century (Handbook of the History of Logic, Volume 7)},
      PAGES           = {99--195},
      PUBLISHER       = {North Holland},
      ADDRESS         = {Amsterdam},
      YEAR            = {2006}
}