APA (7th ed.) Citation

Kölbing, P. (1925). Zur Erinnerung an Paul Kölbing.

Chicago Style (17th ed.) Citation

Kölbing, Paul. Zur Erinnerung an Paul Kölbing. 1925.

MLA (9th ed.) Citation

Kölbing, Paul. Zur Erinnerung an Paul Kölbing. 1925.

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