Cita APA (7a ed.)
Zelinsky, W. (1973). The cultural geography of the United States. Prentice Hall.
Cita Chicago Style (17a ed.)
Zelinsky, Wilbur. The Cultural Geography of the United States. Englewood Cliffs, N.J: Prentice Hall, 1973.
Cita MLA (9a ed.)
Zelinsky, Wilbur. The Cultural Geography of the United States. Prentice Hall, 1973.
Precaución: Estas citas no son 100% exactas.