Cita APA (7a ed.)

AWWA. (2021). M72 Knife Gate Valves. American Water Works Association.

Cita Chicago Style (17a ed.)

AWWA. M72 Knife Gate Valves. Denver: American Water Works Association, 2021.

Cita MLA (8a ed.)

AWWA. M72 Knife Gate Valves. American Water Works Association, 2021.