Cita APA (7a ed.)

Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (5th ed.). NTC Pub. Group.

Cita Chicago Style (17a ed.)

Burchfield, Jerry, Mark Jacobs, y Ken Kokrda. Photography in Focus. 5th ed. Lincolnwood, Ill: NTC Pub. Group, 1997.

Cita MLA (9a ed.)

Burchfield, Jerry, et al. Photography in Focus. 5th ed. NTC Pub. Group, 1997.