APA Citation

Groff, C. A. Mental retardation; a book of readings / Catherine A. Groff (1a ed.).

Chicago Style Citation

Groff, Catherine A. Mental Retardation; a Book of Readings / Catherine A. Groff. 1a ed.

MLA Citation

Groff, Catherine A. Mental Retardation; a Book of Readings / Catherine A. Groff. 1a ed.

Warning: These citations may not always be 100% accurate.