Cita APA (7a ed.)

Sugden, D. (1982). Arctic and Antarctic: A modern geographical synthesis. Blackwell.

Cita Chicago Style (17a ed.)

Sugden, David. Arctic and Antarctic: A Modern Geographical Synthesis. Oxford: Blackwell, 1982.

Cita MLA (9a ed.)

Sugden, David. Arctic and Antarctic: A Modern Geographical Synthesis. Blackwell, 1982.