APA (7th ed.) Citation

Fernald, M. L. (1939). The problem of conserving rare native plants ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Fernald, Merritt Lyndon. The Problem of Conserving Rare Native Plants. [Sonderdr.]. 1939.

MLA (9th ed.) Citation

Fernald, Merritt Lyndon. The Problem of Conserving Rare Native Plants. [Sonderdr.]. 1939.

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