APA (7th ed.) Citation

Laing, R. D. (1972). Knots. Penguin Books.

Chicago Style (17th ed.) Citation

Laing, R. D. Knots. Harmondsworth Middlesex: Penguin Books, 1972.

MLA (8th ed.) Citation

Laing, R. D. Knots. Penguin Books, 1972.

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