APA (7th ed.) Citation

Pearse, A. S. (1939). Animal ecology (2a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Pearse, A. S. Animal Ecology. 2a. ed. Nueva York: McGraw-Hill, 1939.

MLA (9th ed.) Citation

Pearse, A. S. Animal Ecology. 2a. ed. McGraw-Hill, 1939.