APA (7th ed.) Citation
SISON, G., & COTTEN, P. (1989). THE ELDERLY MENTALLY RETARDED PERSON: CURRENT PERSPECTIVES AND FUTURE DIRECTIONS.
Chicago Style (17th ed.) Citation
SISON, G.F.P, and P.D COTTEN. THE ELDERLY MENTALLY RETARDED PERSON: CURRENT PERSPECTIVES AND FUTURE DIRECTIONS. 1989.
MLA (9th ed.) Citation
SISON, G.F.P, and P.D COTTEN. THE ELDERLY MENTALLY RETARDED PERSON: CURRENT PERSPECTIVES AND FUTURE DIRECTIONS. 1989.
Warning: These citations may not always be 100% accurate.