Gaya APA

Klimm, L, E. (1940). Introductory : economic geography (Ed. 2). New York: Harcourt Brace \\r\\n Company.

Gaya MLA

Klimm, Lester, E. "Introductory : economic geography". Ed. 2 New York: Harcourt Brace \\r\\n Company, 1940. Text.