Cita APA (7a ed.)
Christiansen, M. L., & DeTuerk, J. R. (1977). Park Planning Handbook: Fundamentals of physical planning for parks and recreation areas. Wiley.
Cita Chicago Style (17a ed.)
Christiansen, Monty L., y James R. DeTuerk. Park Planning Handbook: Fundamentals of Physical Planning for Parks and Recreation Areas. New York [usw.]: Wiley, 1977.
Cita MLA (9a ed.)
Christiansen, Monty L., y James R. DeTuerk. Park Planning Handbook: Fundamentals of Physical Planning for Parks and Recreation Areas. Wiley, 1977.
Precaución: Estas citas no son 100% exactas.