Cita APA (7th ed.)

Harms, T., Clifford, R. M., & Cryer, D. (2005). Early childhood environment rating scale (Rev. ed., updated.). Teachers College, Columbia University..

Cita Chicago (17th ed.)

Harms, Thelma, Richard M. Clifford, i Debby Cryer. Early Childhood Environment Rating Scale. Rev. ed., updated. New York: Teachers College, Columbia University., 2005.

Cita MLA (8th ed.)

Harms, Thelma, et al. Early Childhood Environment Rating Scale. Rev. ed., updated. Teachers College, Columbia University., 2005.