Cita APA (7a ed.)
National Recreation and Park Association. Parks & recreation. National Recreation and Park Assoc.
Cita Chicago Style (17a ed.)
National Recreation and Park Association. Parks & Recreation. Washington, D.C.: National Recreation and Park Assoc.
Cita MLA (9a ed.)
National Recreation and Park Association. Parks & Recreation. National Recreation and Park Assoc.
Precaución: Estas citas no son 100% exactas.