Cita APA (7a ed.)

Nevens, W. B. (1949). Principles of milk production. El autor.

Cita Chicago Style (17a ed.)

Nevens, William Barbour. Principles of Milk Production. Urbana: El autor, 1949.

Cita MLA (8a ed.)

Nevens, William Barbour. Principles of Milk Production. El autor, 1949.