Cita APA (7a ed.)

(1984). Journal American Water Works Association. American Water Works Association.

Cita Chicago Style (17a ed.)

Journal American Water Works Association. Denver: American Water Works Association, 1984.

Cita MLA (9a ed.)

Journal American Water Works Association. American Water Works Association, 1984.

Precaución: Estas citas no son 100% exactas.