APA (7th ed.) Citation

Harris, D. D., & Simmonds, A. F. (1979). Patterns of trade: A geographical approach. Jacaranda.

Chicago Style (17th ed.) Citation

Harris, D. D., and A. F. Simmonds. Patterns of Trade: A Geographical Approach. Milton, Q.: Jacaranda, 1979.

MLA (8th ed.) Citation

Harris, D. D., and A. F. Simmonds. Patterns of Trade: A Geographical Approach. Jacaranda, 1979.