APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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