Cita APA (7a ed.)

Roberts, D. (2022). Into the great emptiness: Peril and survival on the Greenland ice cap (First edition.). W.W. Norton & Company.

Cita Chicago Style (17a ed.)

Roberts, David. Into the Great Emptiness: Peril and Survival on the Greenland Ice Cap. First edition. New York, N.Y.: W.W. Norton & Company, 2022.

Cita MLA (8a ed.)

Roberts, David. Into the Great Emptiness: Peril and Survival on the Greenland Ice Cap. First edition. W.W. Norton & Company, 2022.

Precaución: Estas citas no son 100% exactas.