Cita APA (7th ed.)

Robertson, R. B. (1956). Of whales and men. Macmillan.

Cita Chicago (17th ed.)

Robertson, R. B. Of Whales and Men. Londres: Macmillan, 1956.

Cita MLA (9th ed.)

Robertson, R. B. Of Whales and Men. Macmillan, 1956.