APA (7th ed.) Citation

Leslie, L. A., & Zoubek, C. E. (1950). Gregg advanced dictation simplified. Gregg Pub. Co.

Chicago Style (17th ed.) Citation

Leslie, Louis A., and Charles E. Zoubek. Gregg Advanced Dictation Simplified. New York: Gregg Pub. Co, 1950.

MLA (8th ed.) Citation

Leslie, Louis A., and Charles E. Zoubek. Gregg Advanced Dictation Simplified. Gregg Pub. Co, 1950.