APA (7th ed.) Citation

Colby, C. C., & Foster, A. (1941). Investigations in industries and resources: To accompany "Economic geography". Ginn.

Chicago Style (17th ed.) Citation

Colby, Charles C., and Alice Foster. Investigations in Industries and Resources: To Accompany "Economic Geography". Boston [u.a.]: Ginn, 1941.

MLA (9th ed.) Citation

Colby, Charles C., and Alice Foster. Investigations in Industries and Resources: To Accompany "Economic Geography". Ginn, 1941.