APA (7th ed.) Citation

Gilbert, N. D., & Porter, T. (2002). Knots and surfaces. Oxford University Press.

Chicago Style (17th ed.) Citation

Gilbert, N. D., and T. Porter. Knots and Surfaces. Oxford ; New York: Oxford University Press, 2002.

MLA (9th ed.) Citation

Gilbert, N. D., and T. Porter. Knots and Surfaces. Oxford University Press, 2002.