APA (7th ed.) Citation

Frey, E. (1950). Kallikrein: Padutin. Enke.

Chicago Style (17th ed.) Citation

Frey, Emil. Kallikrein: Padutin. Stuttgart: Enke, 1950.

MLA (9th ed.) Citation

Frey, Emil. Kallikrein: Padutin. Enke, 1950.

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