Gaya APA

MULVANEY, K., CARRIER, J. (2001). At the ends of the earth : a history of the polar regions / Kieran Mulvaney . Washington: Island Press.

Gaya MLA

MULVANEY, Kieran., CARRIER, Jim. "At the ends of the earth : a history of the polar regions / Kieran Mulvaney". Washington: Island Press, 2001. Text.