Cita APA (7a ed.)

Coletta, A. J., & Coletta, K. (1986). Year 'round activities for two-year-old children. Center for Applied Research in Education.

Cita Chicago Style (17a ed.)

Coletta, Anthony J., y Kathleen Coletta. Year 'Round Activities for Two-year-old Children. West Nyack, N.Y: Center for Applied Research in Education, 1986.

Cita MLA (9a ed.)

Coletta, Anthony J., y Kathleen Coletta. Year 'Round Activities for Two-year-old Children. Center for Applied Research in Education, 1986.