APA (7th ed.) Citation

Oswald, I. (1974). Sleep / Ian Oswald (3rd ed.). Penguin.

Chicago Style (17th ed.) Citation

Oswald, Ian. Sleep / Ian Oswald. 3rd ed. Harmondsworth: Penguin, 1974.

MLA (9th ed.) Citation

Oswald, Ian. Sleep / Ian Oswald. 3rd ed. Penguin, 1974.

Warning: These citations may not always be 100% accurate.