ok, I’m in a hurry to get my study thingy done, but I tried (albeit having no time) to get latex running for it :)

so here we go

Tip 1:

to get apacite to not lowercase your titles use these commands in your headers:

\renewcommand{\APACrefbtitle}[2]{\Bem{#1}}
\renewcommand{\APACrefatitle}[2]{\Bem{#1}}

found in this very helpful comment (at the very bottom

Tip 2: Trying to satisfy all the ridiculous university demands (adapted from this template I came across)

\documentclass[a4paper, fontsize=12pt]{scrreprt}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[onehalfspacing]{setspace}
\usepackage[ngerman]{babel}
\usepackage[top=3cm, bottom=2.5cm, left=3cm, right=2.5cm]{geometry}
\usepackage{graphicx}
\usepackage{booktabs}
\usepackage{url}
\usepackage{relsize}
\usepackage[colorlinks=true,linkcolor=black,anchorcolor=black,citecolor=black,filecolor=black,menucolor=black,runcolor=black,urlcolor=black]{hyperref}
\usepackage{ifthen}
\usepackage{txfonts}
\usepackage{apacite}

\renewcommand{\APACrefbtitle}[2]{\Bem{#1}}
\renewcommand{\APACrefatitle}[2]{\Bem{#1}}

\KOMAoptions{toc=chapterentrydotfill}
\setkomafont{chapter}{\normalsize}
\setkomafont{section}{\normalsize}
\setkomafont{subsection}{\normalsize}
\addtokomafont{chapterentry}{\mdseries}

\begin{document}
\pagestyle{plain}
\setcounter{page}{1}
\pagenumbering{arabic}
\input{title} %title is in another file 

\tableofcontents


\cleardoublepage%
\begingroup
\let\clearpage\relax

\chapter{whatever}
\section{youknowthedrill}
\subsection{argh}
\chapter{the end}

\endgroup

\bibliographystyle{apacite}
\urlstyle{same}
\renewcommand*{\UrlFont}{\smaller\relax}
\bibliography{whateveryourbibfileiscalled}

\end{document}