APA način citiranja (7. izdanje)

Oprea, J. (2007). Differential geometry and its applications. Mathematical Association of America.

Čikaški stil citiranja (17. izdanje)

Oprea, John. Differential Geometry and Its Applications. Washington, D.C.: Mathematical Association of America, 2007.

MLA način citiranja (9. izdanje)

Oprea, John. Differential Geometry and Its Applications. Mathematical Association of America, 2007.