APA (7th ed.) Citation

(1983). Dual Water Systems (1. Aufl.). American Water Works Assoc.

Chicago Style (17th ed.) Citation

Dual Water Systems. 1. Aufl. Denver, Col: American Water Works Assoc, 1983.

MLA (9th ed.) Citation

Dual Water Systems. 1. Aufl. American Water Works Assoc, 1983.

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