APA (7th ed.) Citation

O'Neill, B. (2006). Elementary differential geometry (Rev. 2nd ed.). Elsevier Academic Press.

Chicago Style (17th ed.) Citation

O'Neill, Barrett. Elementary Differential Geometry. Rev. 2nd ed. Amsterdam ; Boston: Elsevier Academic Press, 2006.

MLA (9th ed.) Citation

O'Neill, Barrett. Elementary Differential Geometry. Rev. 2nd ed. Elsevier Academic Press, 2006.