APA (7th ed.) Citation

Vouk, V. (1920). On the ferruginous Cyanophyceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Vouk, Vale. On the Ferruginous Cyanophyceae. [Sonderdr.]. 1920.

MLA (9th ed.) Citation

Vouk, Vale. On the Ferruginous Cyanophyceae. [Sonderdr.]. 1920.

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