Cita APA

Eklund, C. R., & Beckman, J. Antartica: Polar Research and Discovery During the International Geophysical Year / by Carl R. Eklund and Joan Beckman. New York : Holt, Rinehart and Winston.

Citación estilo Chicago

Eklund, Carl R., y Joan Beckman. Antartica: Polar Research and Discovery During the International Geophysical Year / By Carl R. Eklund and Joan Beckman. New York : Holt, Rinehart and Winston.

Cita MLA

Eklund, Carl R., y Joan Beckman. Antartica: Polar Research and Discovery During the International Geophysical Year / By Carl R. Eklund and Joan Beckman. New York : Holt, Rinehart and Winston.