Cita APA (7a ed.)

Thomas, D. N., & Fogg, G. E. (2008). The biology of polar regions. Oxford University Press.

Cita Chicago Style (17a ed.)

Thomas, David N., y G. E. Fogg. The Biology of Polar Regions. Oxford ; New York: Oxford University Press, 2008.

Cita MLA (8a ed.)

Thomas, David N., y G. E. Fogg. The Biology of Polar Regions. Oxford University Press, 2008.