APA (7th ed.) Citation

Blodgett, H. E., & Warfield, G. J. (1959). Understanding mentally retarded children. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Blodgett, Harriet Eleanor, and Grace J. Warfield. Understanding Mentally Retarded Children. New York: Appleton-Century-Crofts, 1959.

MLA (9th ed.) Citation

Blodgett, Harriet Eleanor, and Grace J. Warfield. Understanding Mentally Retarded Children. Appleton-Century-Crofts, 1959.