APA (7th ed.) Citation

Sawyer, W. W. (1959). Prelude to mathematics (1st ed., Repr.). Penguin Books.

Chicago Style (17th ed.) Citation

Sawyer, W. W. Prelude to Mathematics. 1st ed., Repr. Harmondsworth, Middlesex: Penguin Books, 1959.

MLA (9th ed.) Citation

Sawyer, W. W. Prelude to Mathematics. 1st ed., Repr. Penguin Books, 1959.

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