APA (7th ed.) Citation

Van Hoorn, J. (1999). Play at the center of the curriculum (2nd ed.). Merrill.

Chicago Style (17th ed.) Citation

Van Hoorn, Judith. Play at the Center of the Curriculum. 2nd ed. Upper Saddle River, N.J: Merrill, 1999.

MLA (9th ed.) Citation

Van Hoorn, Judith. Play at the Center of the Curriculum. 2nd ed. Merrill, 1999.