APA引文

Spellman, F. R. (2009). Geography for nongeographers. Government Institutes.

Chicago Style (17th ed.) Citation

Spellman, Frank R. Geography for Nongeographers. Lanham: Government Institutes, 2009.

MLA引文

Spellman, Frank R. Geography for Nongeographers. Government Institutes, 2009.

警告：這些引文格式不一定是100％准確.