APA (7th ed.) Citation

Kahn, G., Yerian, C. T., & Stewart, J. R. (1969). Progressive filing (8th ed.). Gregg Division.

Chicago Style (17th ed.) Citation

Kahn, Gilbert, C. Theo Yerian, and Jeffrey R. Stewart. Progressive Filing. 8th ed. New York: Gregg Division, 1969.

MLA (9th ed.) Citation

Kahn, Gilbert, et al. Progressive Filing. 8th ed. Gregg Division, 1969.