Cita APA (7a ed.)
Winston, B. J. (1991). Geography: Our country and our world. Scott, Foresman and Co..
Cita Chicago Style (17a ed.)
Winston, Barbara J. Geography: Our Country and Our World. Glenview: Scott, Foresman and Co., 1991.
Cita MLA (9a ed.)
Winston, Barbara J. Geography: Our Country and Our World. Scott, Foresman and Co., 1991.
Precaución: Estas citas no son 100% exactas.