Cita APA (7a ed.)

Simon, H. (1962). The study of birds made simple. Doubleday.

Cita Chicago Style (17a ed.)

Simon, Hilda. The Study of Birds Made Simple. Garden City, N. Y: Doubleday, 1962.

Cita MLA (9a ed.)

Simon, Hilda. The Study of Birds Made Simple. Doubleday, 1962.