APA (7th ed.) Citation

Evans, A. W. (1921). Recent Studies on certain Species of Riccia ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Evans, Alexander W. Recent Studies on Certain Species of Riccia. [Sonderdr.]. 1921.

MLA (9th ed.) Citation

Evans, Alexander W. Recent Studies on Certain Species of Riccia. [Sonderdr.]. 1921.

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