APA (7th ed.) Citation

Willmore, T. J. (1999). An introduction to differential geometry (15. impr.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Willmore, Thomas J. An Introduction to Differential Geometry. 15. impr. Delhi [u.a.]: Oxford Univ. Press, 1999.

MLA (9th ed.) Citation

Willmore, Thomas J. An Introduction to Differential Geometry. 15. impr. Oxford Univ. Press, 1999.