LaTeX Forum

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\usepackage[ngerman,english]{babel} %language
\usepackage[left=6cm,right=2cm, top=3cm, bottom=3cm]{geometry} %layout
\usepackage[automark,headsepline]{scrlayer-scrpage} 


\pagestyle{scrheadings} 
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\ihead{\headmark}
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\begin{document}
    \extratitle{\centering Schmutztitel \\ goLaTeX (C) 2009 \\ ISBN 978-3865412911}
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\end{document}