Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (Fifth edition.). NTC Pub. Group.
Citazione stile Chigago Style (17a edizione)Burchfield, Jerry, Mark Jacobs, e Ken Kokrda. Photography in Focus. Fifth edition. Lincolnwood, Ill.: NTC Pub. Group, 1997.
Citatione MLA (8a ed.)Burchfield, Jerry, et al. Photography in Focus. Fifth edition. NTC Pub. Group, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.