APA (7th ed.) Citation

Gregg, J. R., Leslie, L. A., Zoubek, C. E., & Rader, C. (1971). Gregg shorthand (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Gregg, John Robert, Louis A. Leslie, Charles E. Zoubek, and Charles Rader. Gregg Shorthand. 2nd ed. New York: McGraw-Hill, 1971.

MLA (9th ed.) Citation

Gregg, John Robert, et al. Gregg Shorthand. 2nd ed. McGraw-Hill, 1971.