APA (7th ed.) Citation

Flanigan, P. J., Baker, G. R., & LaFollette, L. G. (1970). An orientation to mental retardation: A programmed text. Thomas.

Chicago Style (17th ed.) Citation

Flanigan, Patrick J., George R. Baker, and Lynn G. LaFollette. An Orientation to Mental Retardation: A Programmed Text. Springfield, Ill.: Thomas, 1970.

MLA (8th ed.) Citation

Flanigan, Patrick J., et al. An Orientation to Mental Retardation: A Programmed Text. Thomas, 1970.