Cita APA (7th ed.)

Macfadyen, A. (1963). Animal ecology: Aims and methods ([2d ed.].). Pitman.

Cita Chicago (17th ed.)

Macfadyen, A. Animal Ecology: Aims and Methods. [2d ed.]. New York: Pitman, 1963.

Cita MLA (9th ed.)

Macfadyen, A. Animal Ecology: Aims and Methods. [2d ed.]. Pitman, 1963.