APA (7th ed.) Citation

Rühmkorf, P. (1982). Kleine Fleckenkunde. Haffmans.

Chicago Style (17th ed.) Citation

Rühmkorf, Peter. Kleine Fleckenkunde. Zurich: Haffmans, 1982.

MLA (9th ed.) Citation

Rühmkorf, Peter. Kleine Fleckenkunde. Haffmans, 1982.

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