Cita APA (7a ed.)

Butler, G. D. (1947). Recreation areas: Their design and equipment. A.S. Barnes.

Cita Chicago Style (17a ed.)

Butler, George D. Recreation Areas: Their Design and Equipment. New York: A.S. Barnes, 1947.

Cita MLA (9a ed.)

Butler, George D. Recreation Areas: Their Design and Equipment. A.S. Barnes, 1947.