Cita APA

Association of American Geographers. Commission on College Geography, & Association of American Geographers. Commission on College Geography. (1967). New approaches in introductory college geography courses. Washington: Association of American Geographers.

Citación estilo Chicago

Association of American Geographers. Commission on College Geography, y Association of American Geographers. Commission on College Geography. New Approaches in Introductory College Geography Courses. Washington: Association of American Geographers, 1967.

Cita MLA

Association of American Geographers. Commission on College Geography, y Association of American Geographers. Commission on College Geography. New Approaches in Introductory College Geography Courses. Washington: Association of American Geographers, 1967.