APA (7th ed.) Citation

Ayres, R. U., Button, K. J., & Nijkamp, P. (1999). Global aspects of the environment. Edward Elgar.

Chicago Style (17th ed.) Citation

Ayres, Robert U., Kenneth John Button, and Peter Nijkamp. Global Aspects of the Environment. Cheltenham [etc.]: Edward Elgar, 1999.

MLA (9th ed.) Citation

Ayres, Robert U., et al. Global Aspects of the Environment. Edward Elgar, 1999.