APA (7th ed.) Citation

Otto, P. Technischer Literaturkalender. Oldenbourg (München).

Chicago Style (17th ed.) Citation

Otto, Paul. Technischer Literaturkalender. Oldenbourg (München).

MLA (8th ed.) Citation

Otto, Paul. Technischer Literaturkalender. Oldenbourg (München).

Warning: These citations may not always be 100% accurate.