APA (7th ed.) Citation

Murray, W., & Aitchison, M. (1965). Say the sound. Ladybird Books.

Chicago Style (17th ed.) Citation

Murray, William, and Martin Aitchison. Say the Sound. Loughborough [England]: Ladybird Books, 1965.

MLA (9th ed.) Citation

Murray, William, and Martin Aitchison. Say the Sound. Ladybird Books, 1965.