APA (7th ed.) Citation

Poppe, C. A., & Van Matre, N. A. (1985). Science learning centers for the primary grades. Center for Applied Research in Eucation.

Chicago Style (17th ed.) Citation

Poppe, Carol A., and Nancy A. Van Matre. Science Learning Centers for the Primary Grades. West Nyack, N.Y.: Center for Applied Research in Eucation, 1985.

MLA (9th ed.) Citation

Poppe, Carol A., and Nancy A. Van Matre. Science Learning Centers for the Primary Grades. Center for Applied Research in Eucation, 1985.