APA (7th ed.) Citation

Keller, H. (1940). Potentiometrische Bestimmung der Tocopherole.

Chicago Style (17th ed.) Citation

Keller, Hermann. Potentiometrische Bestimmung Der Tocopherole. 1940.

MLA (9th ed.) Citation

Keller, Hermann. Potentiometrische Bestimmung Der Tocopherole. 1940.

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