Cita APA (7a ed.)

Klimm, L. E., Starkey, O. P., & Russell, J. A. (1956). Introductory economic geography (3rd. ed.). Harcourt, Brace and Company.

Cita Chicago Style (17a ed.)

Klimm, Lester Earl, Otis P. Starkey, y Joseph A. Russell. Introductory Economic Geography. 3rd. ed. New York: Harcourt, Brace and Company, 1956.

Cita MLA (9a ed.)

Klimm, Lester Earl, et al. Introductory Economic Geography. 3rd. ed. Harcourt, Brace and Company, 1956.