Cita APA (7a ed.)

American Water Works Association. (2001). Butterfly valves: Torque, head loss, and cavitation analysis. American Water Works Association.

Cita Chicago Style (17a ed.)

American Water Works Association. Butterfly Valves: Torque, Head Loss, and Cavitation Analysis. Denver: American Water Works Association, 2001.

Cita MLA (8a ed.)

American Water Works Association. Butterfly Valves: Torque, Head Loss, and Cavitation Analysis. American Water Works Association, 2001.