Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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