APA (7th ed.) Citation

Jacobs, M., & Kokrda, K. (1990). Photography in focus (New 4th ed.). National Textbook Co..

Chicago Style (17th ed.) Citation

Jacobs, Mark, and Ken Kokrda. Photography in Focus. New 4th ed. Lincolnwood, Ill., U.S.A.: National Textbook Co., 1990.

MLA (9th ed.) Citation

Jacobs, Mark, and Ken Kokrda. Photography in Focus. New 4th ed. National Textbook Co., 1990.