\documentclass[a4paper,11pt]{article}
\usepackage[utf8]{inputenc}
%\usepackage{polski}
\usepackage{apacite}
\usepackage{natbib}
\author{Your Name}
\title{Logic and Cognition Paper}
\date{\today}
\begin{document}
\maketitle
\begin{abstract}
Abstract...
\end{abstract}
\section*{Introduction}
Your text goes here...
\section{Citations}
Citation examples:
\begin{itemize}
\item \cite{landc}
\item \citep{landc}
\item \cite[p.~12]{landc}
\item \citeauthor{landc}
\item \citeyear{landc}
\end{itemize}
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\bibliographystyle{apacite}
\bibliography{bibliography}
\end{document}
