APA (7th ed.) Citation

Koppe, F., & Koppe, K. (1937). Zur Moosflora Ostpreussens ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Koppe, Fritz, and Karl Koppe. Zur Moosflora Ostpreussens. [Sonderdr.]. 1937.

MLA (9th ed.) Citation

Koppe, Fritz, and Karl Koppe. Zur Moosflora Ostpreussens. [Sonderdr.]. 1937.

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