APA (7th ed.) Citation

Gregg, J. R., Leslie, L. A., & Zoubek, C. E. (1978). Gregg: Shorthand. McGraw-Hill.

Chicago Style (17th ed.) Citation

Gregg, John Robert, Louis A. Leslie, and Charles E. Zoubek. Gregg: Shorthand. New York: McGraw-Hill, 1978.

MLA (9th ed.) Citation

Gregg, John Robert, et al. Gregg: Shorthand. McGraw-Hill, 1978.