APA (7th ed.) Citation

Morton, A., Prosser, A., & Spangler, S. (1991). Great special events and activities! Venture.

Chicago Style (17th ed.) Citation

Morton, Annie, Angie Prosser, and Sue Spangler. Great Special Events and Activities! State College, Pennsylvania: Venture, 1991.

MLA (9th ed.) Citation

Morton, Annie, et al. Great Special Events and Activities! Venture, 1991.