APA (7th ed.) Citation

Isbell, R. T., & Exelby, B. (2001). Early learning environments that work. Gryphon House.

Chicago Style (17th ed.) Citation

Isbell, Rebecca T., and Betty Exelby. Early Learning Environments That Work. Beltsville, Md: Gryphon House, 2001.

MLA (9th ed.) Citation

Isbell, Rebecca T., and Betty Exelby. Early Learning Environments That Work. Gryphon House, 2001.