Gaya APA

, ., Fassett, N, C. (1940). A manual of aquatic plants . London: London: The Univ. of Winconsin; 1940.

Gaya MLA

, ., Fassett, Norman, C.. "A manual of aquatic plants". London: London: The Univ. of Winconsin; 1940, 1940. Text.