LaTeX Forum

\documentclass{article}
\usepackage{threeparttable}
\usepackage{float,graphicx}

\begin{document}


\begin{measuredfigure}%stört das nachfolgende Bild.
blblb
\end{measuredfigure}


\begin{figure}[H]
\caption{Descriptive Statistics Graphically} 
\centering
\includegraphics[width=13cm,height=28cm,keepaspectratio]{example-image}
\begin{tablenotes}
 \item \footnotesize
Source: based on Gonzalez and Ortega (2013).
\end{tablenotes}
\end{figure}

\end{document}

\documentclass[english]{article}
\usepackage{babel}
\usepackage[utf8]{inputenc}
\usepackage[position=top]{caption}%Einstellung des korrekten Abstandes
\usepackage{graphicx}
\usepackage{threeparttable}
\begin{document}
\begin{figure}
\caption{Descriptive Statistics Graphically} %\vspace{0.3cm}
\centering
\includegraphics[width=13cm]{example-image}
\begin{tablenotes} 
 \item \footnotesize 
Source: based on Gonzalez and Ortega (2013).
\end{tablenotes} 
\end{figure}
\end{document}

 
\begin{figure}[H]
\caption{Descriptive Statistics Graphically} \vspace{0.3cm}
\centering
\includegraphics[width=13cm,height=28cm,keepaspectratio]{Figure3}
\begin{tablenotes} 
 \item \footnotesize 
Source: based on Gonzalez and Ortega (2013).
\end{tablenotes} 
\end{figure}