APA (7th ed.) Citation

Hadfield, J. (1954). Dreams and nightmares. Penguin Books.

Chicago Style (17th ed.) Citation

Hadfield, J.A. Dreams and Nightmares. Middlesex, England: Penguin Books, 1954.

MLA (9th ed.) Citation

Hadfield, J.A. Dreams and Nightmares. Penguin Books, 1954.