Style de citation APA (7e éd.)

Walford, N. (2011). Practical statistics for geographers and earth scientists. Wiley-Blackwell.

Style de citation Chicago (17e éd.)

Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Chichester, West Sussex, U.K: Wiley-Blackwell, 2011.

Style de citation MLA (9e éd.)

Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Wiley-Blackwell, 2011.