APA (7th ed.) Citation

Poppe, C. A., & Van Matre, N. A. (1991). Language arts learning centers for the primary grades. Center for Applied Research in Education.

Chicago Style (17th ed.) Citation

Poppe, Carol A., and Nancy A. Van Matre. Language Arts Learning Centers for the Primary Grades. West Nyack, NY: Center for Applied Research in Education, 1991.

MLA (9th ed.) Citation

Poppe, Carol A., and Nancy A. Van Matre. Language Arts Learning Centers for the Primary Grades. Center for Applied Research in Education, 1991.