APA (7th ed.) Citation

Getis, A., Getis, J., & Fellmann, J. (1985). Human geography. London.

Chicago Style (17th ed.) Citation

Getis, Arthur, Judith Getis, and Jerome Fellmann. Human Geography. New York: London, 1985.

MLA (9th ed.) Citation

Getis, Arthur, et al. Human Geography. London, 1985.