APA (7th ed.) Citation

Water Pollution Control Federation. (1981). WPCF wasterwater treatment skill training package: Anaerobic digestion administration guide. Water Pollution Control Federation.

Chicago Style (17th ed.) Citation

Water Pollution Control Federation. WPCF Wasterwater Treatment Skill Training Package: Anaerobic Digestion Administration Guide. Washington, D.C: Water Pollution Control Federation, 1981.

MLA (9th ed.) Citation

Water Pollution Control Federation. WPCF Wasterwater Treatment Skill Training Package: Anaerobic Digestion Administration Guide. Water Pollution Control Federation, 1981.