APA (7th ed.) Citation

Newbigin, M. I. (1928). Commercial geography (2nd ed.). Butterworth.

Chicago Style (17th ed.) Citation

Newbigin, Marion I. Commercial Geography. 2nd ed. London: Butterworth, 1928.

MLA (8th ed.) Citation

Newbigin, Marion I. Commercial Geography. 2nd ed. Butterworth, 1928.

Warning: These citations may not always be 100% accurate.