APA (7th ed.) Citation

Benson, L. (1941). North American Ranunculi ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Benson, Lyman. North American Ranunculi. [Sonderdr.]. 1941.

MLA (9th ed.) Citation

Benson, Lyman. North American Ranunculi. [Sonderdr.]. 1941.

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