APA (7th ed.) Citation

Regan, E. M., & Harris, M. (1980). To learn/to think: Curriculum materials for the kindergarten. OISE Press/The Ontario Institute for Studies in Education.

Chicago Style (17th ed.) Citation

Regan, Ellen M., and Marion Harris. To Learn/to Think: Curriculum Materials for the Kindergarten. Toronto, Ont.: OISE Press/The Ontario Institute for Studies in Education, 1980.

MLA (9th ed.) Citation

Regan, Ellen M., and Marion Harris. To Learn/to Think: Curriculum Materials for the Kindergarten. OISE Press/The Ontario Institute for Studies in Education, 1980.