Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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