APA引文

Klimm, L. E. (1956). Introductory economic geography.

Chicago Style (17th ed.) Citation

Klimm, Lester Earl. Introductory Economic Geography. New York : Harcourt, Brace, 1956.

MLA引文

Klimm, Lester Earl. Introductory Economic Geography. 1956.

警告：這些引文格式不一定是100％准確.