APA (7th ed.) Citation

Drews, G. (1955). Zur Kultur der Cyanophyceen ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Drews, Gerhart. Zur Kultur Der Cyanophyceen. [Sonderdr.]. 1955.

MLA (9th ed.) Citation

Drews, Gerhart. Zur Kultur Der Cyanophyceen. [Sonderdr.]. 1955.

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