Cita APA (7a ed.)

National Recreation and Park Association. (1966). Parks & recreation. National Recreation and Park Association.

Cita Chicago Style (17a ed.)

National Recreation and Park Association. Parks & Recreation. Washington, D.C.: National Recreation and Park Association, 1966.

Cita MLA (9a ed.)

National Recreation and Park Association. Parks & Recreation. National Recreation and Park Association, 1966.