Cita APA

Van Hoorn, J. L., Nourot, P. M., Scales, B., & Alward, K. R. (2003). Play at the center of curriculum (Third edition.). Merrill/Prentice Hall.

Citación estilo Chicago

Van Hoorn, Judith Lieberman, Patricia Monighan Nourot, Barbara Scales, and Keith Rodriguez Alward. Play at the Center of Curriculum. Third edition. Upper Saddle River, New Jersey: Merrill/Prentice Hall, 2003.

Cita MLA

Van Hoorn, Judith Lieberman, et al. Play at the Center of Curriculum. Third edition. Merrill/Prentice Hall, 2003.