APA (7th ed.) Citation

Warf, B. (2010). Encyclopedia of geography. Sage.

Chicago Style (17th ed.) Citation

Warf, Barney. Encyclopedia of Geography. Los Angeles, Calif. [u.a.]: Sage, 2010.

MLA (9th ed.) Citation

Warf, Barney. Encyclopedia of Geography. Sage, 2010.

Warning: These citations may not always be 100% accurate.