Cita APA (7a ed.)

O'Neill, B. (1997). Elementary differential geometry (2nd ed.). Academic Press.

Cita Chicago Style (17a ed.)

O'Neill, Barrett. Elementary Differential Geometry. 2nd ed. San Diego: Academic Press, 1997.

Cita MLA (8a ed.)

O'Neill, Barrett. Elementary Differential Geometry. 2nd ed. Academic Press, 1997.