APA (7th ed.) Citation

Pfeiffer, J. W. (1989). The encyclopedia of group activities: 150 practical designs for successful facilitating. Pfeiffer & Co.

Chicago Style (17th ed.) Citation

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Designs for Successful Facilitating. Amsterdam: Pfeiffer & Co, 1989.

MLA (9th ed.) Citation

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Designs for Successful Facilitating. Pfeiffer & Co, 1989.