Cita APA (7a ed.)
O'Neil, B. (1997). Elementary differential geometry (2.vyd.). Academic Press.
Cita Chicago Style (17a ed.)
O'Neil, Barret. Elementary Differential Geometry. 2.vyd. San Diego: Academic Press, 1997.
Cita MLA (9a ed.)
O'Neil, Barret. Elementary Differential Geometry. 2.vyd. Academic Press, 1997.
Precaución: Estas citas no son 100% exactas.