APA (7th ed.) Citation

Hogan, P. (1974). Playgrounds for free: The utilization of used and surplus materials in playground construction. MIT Press.

Chicago Style (17th ed.) Citation

Hogan, Paul. Playgrounds for Free: The Utilization of Used and Surplus Materials in Playground Construction. Cambridge, Mass.: MIT Press, 1974.

MLA (9th ed.) Citation

Hogan, Paul. Playgrounds for Free: The Utilization of Used and Surplus Materials in Playground Construction. MIT Press, 1974.

Warning: These citations may not always be 100% accurate.