APA (7th ed.) Citation

Norris, R. E., Harries, K. D., & Vitek, J. D. (1982). Geography: An introductory perspective. Merrill.

Chicago Style (17th ed.) Citation

Norris, Robert E., Keith D. Harries, and John D. Vitek. Geography: An Introductory Perspective. Columbus u.a: Merrill, 1982.

MLA (9th ed.) Citation

Norris, Robert E., et al. Geography: An Introductory Perspective. Merrill, 1982.