APA (7e ed.) Bronvermelding

Smith, G. M. (1950). The fresh-water algae of the United States (2a. ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Smith, Gilbert Morgan. The Fresh-water Algae of the United States. 2a. ed. Nueva York: McGraw-Hill, 1950.

MLA (9e ed.) Bronvermelding

Smith, Gilbert Morgan. The Fresh-water Algae of the United States. 2a. ed. McGraw-Hill, 1950.