Webb, K. E., & Grossman, D. (1983). Geography. Franklin Watts.
Chicago Style (17th ed.) CitationWebb, Kempton E., and David Grossman. Geography. New York: Franklin Watts, 1983.
MLA (9th ed.) CitationWebb, Kempton E., and David Grossman. Geography. Franklin Watts, 1983.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.