APA (7th ed.) Citation

Harris, K. D., & Norris, R. E. (1986). Human geography: Culture, interaction, and economy. Merrill.

Chicago Style (17th ed.) Citation

Harris, Keith D., and Robert E. Norris. Human Geography: Culture, Interaction, and Economy. Columbus, Ohio: Merrill, 1986.

MLA (9th ed.) Citation

Harris, Keith D., and Robert E. Norris. Human Geography: Culture, Interaction, and Economy. Merrill, 1986.