APA ציטוט

Davies, D. G. (1967). Fresh water: The precious resource. Natural Press for the American Museum of Natural History.

Chicago Style (17th ed.) Citation

Davies, Delwyn G. Fresh Water: The Precious Resource. GArden City, N. Y: Natural Press for the American Museum of Natural History, 1967.

ציטוט MLA

Davies, Delwyn G. Fresh Water: The Precious Resource. Natural Press for the American Museum of Natural History, 1967.