Citazione Stile APA (7a Edizione)

Todd, D. K. (1970). The water encyclopedia ; a compendium of useful information on water resources. Water Information Center.

Citazione stile Chigago Style (17a edizione)

Todd, David Keith. The Water Encyclopedia ; a Compendium of Useful Information on Water Resources. Port Washington, New York: Water Information Center, 1970.

Citatione MLA (9a ed.)

Todd, David Keith. The Water Encyclopedia ; a Compendium of Useful Information on Water Resources. Water Information Center, 1970.