APA (7th ed.) Citation

Park, C. C., Johnson, J. H., & Clayton, K. (1991). Environmental hazards (2. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Park, Chris C., J. H. Johnson, and Keith Clayton. Environmental Hazards. 2. ed. Basingstoke [u.a.]: Macmillan, 1991.

MLA (9th ed.) Citation

Park, Chris C., et al. Environmental Hazards. 2. ed. Macmillan, 1991.