Cita APA (7th ed.)
ebrary, Inc, & Gregory, D. (2009). The dictionary of human geography (5th ed.). Blackwell.
Cita Chicago (17th ed.)
ebrary, Inc, i Derek Gregory. The Dictionary of Human Geography. 5th ed. Malden, MA: Blackwell, 2009.
Cita MLA (9th ed.)
ebrary, Inc, i Derek Gregory. The Dictionary of Human Geography. 5th ed. Blackwell, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.