APA (7th ed.) Citation

Trachsel, A. (1968). Playgrounds and recreation spaces (New and revised edition.). Architectural Press.

Chicago Style (17th ed.) Citation

Trachsel, Alfred. Playgrounds and Recreation Spaces. New and revised edition. London: Architectural Press, 1968.

MLA (9th ed.) Citation

Trachsel, Alfred. Playgrounds and Recreation Spaces. New and revised edition. Architectural Press, 1968.

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