APA (7th ed.) Citation

Mannion, A. M., & Bowlby, S. R. (1992). Environmental issues in the 1990s. Wiley.

Chicago Style (17th ed.) Citation

Mannion, Antoinette M., and S. R. Bowlby. Environmental Issues in the 1990s. Chichester: Wiley, 1992.

MLA (9th ed.) Citation

Mannion, Antoinette M., and S. R. Bowlby. Environmental Issues in the 1990s. Wiley, 1992.