APA (7th ed.) Citation

Laing, R. D. (1960). The divided self: An existential study in sanity and madness. Penguin Books.

Chicago Style (17th ed.) Citation

Laing, Ronald David. The Divided Self: An Existential Study in Sanity and Madness. [Harmondsworth, Middlesex]: Penguin Books, 1960.

MLA (9th ed.) Citation

Laing, Ronald David. The Divided Self: An Existential Study in Sanity and Madness. Penguin Books, 1960.