APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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