APA (7th ed.) Citation

Harrison, P., Harrison, S., & Pearson, M. (1987). The geography of the environment (1. publ.). Arnold-Wheaton.

Chicago Style (17th ed.) Citation

Harrison, Patricia, Steve Harrison, and Mike Pearson. The Geography of the Environment. 1. publ. Leeds: Arnold-Wheaton, 1987.

MLA (9th ed.) Citation

Harrison, Patricia, et al. The Geography of the Environment. 1. publ. Arnold-Wheaton, 1987.