APA (7th ed.) Citation

Paulsen, J. (1936). Biologische Beobachtungen an Zigeunern. Rasse.

Chicago Style (17th ed.) Citation

Paulsen, Jens. "Biologische Beobachtungen an Zigeunern." Rasse 1936.

MLA (8th ed.) Citation

Paulsen, Jens. "Biologische Beobachtungen an Zigeunern." Rasse, 1936.

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