APA (7th ed.) Citation

Longman, Hardman, D. J., McEldowney, S., & Waite, S. (1993). Pollution: Ecology and biotreatment. Longman.

Chicago Style (17th ed.) Citation

Longman, David J. Hardman, Sharron McEldowney, and Stephen Waite. Pollution: Ecology and Biotreatment. London: Longman, 1993.

MLA (8th ed.) Citation

Longman, et al. Pollution: Ecology and Biotreatment. Longman, 1993.