Cita APA (7th ed.)

Cain, A. J. (1954). Animal species and their evolution. Hutchinson's University Library.

Cita Chicago (17th ed.)

Cain, Arthur J. Animal Species and Their Evolution. London: Hutchinson's University Library, 1954.

Cita MLA (9th ed.)

Cain, Arthur J. Animal Species and Their Evolution. Hutchinson's University Library, 1954.