Citazione Stile APA (7a Edizione)

Clark, J. W., Viessman, W., & Hammer, M. J. (1971). Water supply and pollution control. International Textbook.

Citazione stile Chigago Style (17a edizione)

Clark, John W., Warren Viessman, e Mark J. Hammer. Water Supply and Pollution Control. Scranton: International Textbook, 1971.

Citatione MLA (9a ed.)

Clark, John W., et al. Water Supply and Pollution Control. International Textbook, 1971.