APA (7th ed.) Citation

Murray, W., & Aitchison, M. (1964). Boys and girls. Ladybird Books.

Chicago Style (17th ed.) Citation

Murray, William, and Martin Aitchison. Boys and Girls. Loughborough [England]: Ladybird Books, 1964.

MLA (9th ed.) Citation

Murray, William, and Martin Aitchison. Boys and Girls. Ladybird Books, 1964.