Cita APA (7a ed.)

Macfadyen, A. (1957). Animal ecology: Aims and methods. Isaac Pitman.

Cita Chicago Style (17a ed.)

Macfadyen, A. Animal Ecology: Aims and Methods. London: Isaac Pitman, 1957.

Cita MLA (8a ed.)

Macfadyen, A. Animal Ecology: Aims and Methods. Isaac Pitman, 1957.