Cita APA (7a ed.)

Baird, . P. D. (1964). The Polar World. Longmans.

Cita Chicago Style (17a ed.)

Baird, Patrick D. The Polar World. London: Longmans, 1964.

Cita MLA (9a ed.)

Baird, Patrick D. The Polar World. Longmans, 1964.