Cita APA (7a ed.)

Klimm, L. E., Starkey, O. P., Hall, N. F., & Pearcy, G. E. (1940). Introductory economic geography (2nd ed.). Harcourt, Brace and Company.

Cita Chicago Style (17a ed.)

Klimm, Lester Earl, Otis P. Starkey, Norman F. Hall, y G. Etzel Pearcy. Introductory Economic Geography. 2nd ed. New York: Harcourt, Brace and Company, 1940.

Cita MLA (9a ed.)

Klimm, Lester Earl, et al. Introductory Economic Geography. 2nd ed. Harcourt, Brace and Company, 1940.