APA (7th ed.) Citation

Clay, M. M. (1972). Reading: The patterning of complex behaviour. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Clay, Marie M. Reading: The Patterning of Complex Behaviour. [London]: Heinemann Educational Books, 1972.

MLA (9th ed.) Citation

Clay, Marie M. Reading: The Patterning of Complex Behaviour. Heinemann Educational Books, 1972.