APA引文

Boyce, R. R. (1974). The base of economic geography. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Boyce, Ronald R. The Base of Economic Geography. New York: Holt, Rinehart and Winston, 1974.

MLA引文

Boyce, Ronald R. The Base of Economic Geography. Holt, Rinehart and Winston, 1974.