APA Citatie

Gabler, R. E. (2004). Essentials of physical geography. Belmont, CA: Thomson Books/Cole.

Chicago Style citaat

Gabler, Robert E. Essentials of Physical Geography. Belmont, CA: Thomson Books/Cole, 2004.

MLA citatie

Gabler, Robert E. Essentials of Physical Geography. Belmont, CA: Thomson Books/Cole, 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.