Style de citation APA

Hancock, P. L., & Skinner, B. J. (2000). Oxford companion to the Earth. Oxford University Press.

Style de citation Chicago

Hancock, Paul Land, et Brian J. Skinner. Oxford Companion to the Earth. Oxford: Oxford University Press, 2000.

Style de citation MLA

Hancock, Paul Land, et Brian J. Skinner. Oxford Companion to the Earth. Oxford University Press, 2000.