Cita APA (7a ed.)
Broek, J. O. (1973). A geography of mankind (2nd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Broek, Jan O.M. A Geography of Mankind. 2nd ed. New York: McGraw-Hill, 1973.
Cita MLA (9a ed.)
Broek, Jan O.M. A Geography of Mankind. 2nd ed. McGraw-Hill, 1973.
Precaución: Estas citas no son 100% exactas.