APA (7th ed.) Citation

Elfving, F. (1921). Societas pro Fauna et Flora Fennica 1821 - 1921.

Chicago Style (17th ed.) Citation

Elfving, Fredrik. Societas Pro Fauna Et Flora Fennica 1821 - 1921. Helsingfors, 1921.

MLA (9th ed.) Citation

Elfving, Fredrik. Societas Pro Fauna Et Flora Fennica 1821 - 1921. 1921.

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