Cita APA

Association of American Geographers. (1967). A systems analytic approach to economic geography. Washington, D.C.: [s.n.].

Citación estilo Chicago

Association of American Geographers. A Systems Analytic Approach to Economic Geography. Washington, D.C.: [s.n.], 1967.

Cita MLA

Association of American Geographers. A Systems Analytic Approach to Economic Geography. Washington, D.C.: [s.n.], 1967.