APA (7th ed.) Citation

Smith, P. K. (1984). Play in animals and humans / edited by Peter K. Smith. Blackwell.

Chicago Style (17th ed.) Citation

Smith, Peter K. Play in Animals and Humans / Edited by Peter K. Smith. Oxford: Blackwell, 1984.

MLA (9th ed.) Citation

Smith, Peter K. Play in Animals and Humans / Edited by Peter K. Smith. Blackwell, 1984.

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