Cita APA (7th ed.)
Upton, B. L., & Upton, J. (1981). Photography (2nd ed.). Little, Brown and co..
Cita Chicago (17th ed.)
Upton, Barbara London, i John Upton. Photography. 2nd ed. Boston: Little, Brown and co., 1981.
Cita MLA (9th ed.)
Upton, Barbara London, i John Upton. Photography. 2nd ed. Little, Brown and co., 1981.
Atenció: Aquestes cites poden no estar 100% correctes.