APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Klimm, Lester Earl, Otis Paul Starkey, and Norman Foster Hall. Introductory Economic Geography. 2nd ed. New York: Harcourt, Brace and company, 1940.

MLA (9th ed.) Citation

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