Cita APA (7a ed.)

Siple, P. (1959). 90o south: The story of the American South Pole conquest. G.P. Putnam's Sons.

Cita Chicago Style (17a ed.)

Siple, Paul. 90o South: The Story of the American South Pole Conquest. New York: G.P. Putnam's Sons, 1959.

Cita MLA (9a ed.)

Siple, Paul. 90o South: The Story of the American South Pole Conquest. G.P. Putnam's Sons, 1959.