APA (7th ed.) Citation

Trudgill, Walling, & Webb. (1999). Water quality: Processes and policy. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Trudgill, Walling, and Webb. Water Quality: Processes and Policy. Chichester: John Wiley & Sons, 1999.

MLA (9th ed.) Citation

Trudgill, et al. Water Quality: Processes and Policy. John Wiley & Sons, 1999.

Warning: These citations may not always be 100% accurate.