APA (7th ed.) Citation

ScienceDirect (Online service) & Comley, J. (1975). Behaviour modification with the retarded child. Heinemann Medical Books.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and John Comley. Behaviour Modification with the Retarded Child. London: Heinemann Medical Books, 1975.

MLA (9th ed.) Citation

ScienceDirect (Online service) and John Comley. Behaviour Modification with the Retarded Child. Heinemann Medical Books, 1975.

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