APA (7th ed.) Citation

Bengtsson, A. (1972). Adventure playgrounds. Crosby Lockwood.

Chicago Style (17th ed.) Citation

Bengtsson, Arvid. Adventure Playgrounds. London: Crosby Lockwood, 1972.

MLA (9th ed.) Citation

Bengtsson, Arvid. Adventure Playgrounds. Crosby Lockwood, 1972.

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