APA (7th ed.) Citation

Willmore, T. J. (1969). An introduction to differential geometry (Repr.). Clarendon Pr.

Chicago Style (17th ed.) Citation

Willmore, Thomas J. An Introduction to Differential Geometry. Repr. Oxford: Clarendon Pr, 1969.

MLA (9th ed.) Citation

Willmore, Thomas J. An Introduction to Differential Geometry. Repr. Clarendon Pr, 1969.

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