APA
Association of American Geographers, . (1959). Monograph series of the Association of American Geographers. Chicago, Ill: [Verlag nicht ermittelbar].
Chicago
Association of American Geographers, . 1959. Monograph series of the Association of American Geographers. Chicago, Ill: [Verlag nicht ermittelbar].
Harvard
Association of American Geographers, . (1959). Monograph series of the Association of American Geographers. Chicago, Ill: [Verlag nicht ermittelbar].
MLA
Association of American Geographers, . Monograph series of the Association of American Geographers. Chicago, Ill: [Verlag nicht ermittelbar]. 1959.