APA (7th ed.) Citation

Janzen, P. (1912). Sterile Bryaceen ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Janzen, Peter. Sterile Bryaceen. [Sonderdr.]. 1912.

MLA (9th ed.) Citation

Janzen, Peter. Sterile Bryaceen. [Sonderdr.]. 1912.

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