APA (7th ed.) Citation

Devlin, K. J. (1988). Mathematics, the new golden age. Penguin Books.

Chicago Style (17th ed.) Citation

Devlin, Keith J. Mathematics, the New Golden Age. London, England ; New York, N.Y., USA: Penguin Books, 1988.

MLA (8th ed.) Citation

Devlin, Keith J. Mathematics, the New Golden Age. Penguin Books, 1988.