APA (7th ed.) Citation

Gregg, J. R., Leslie, L. A., & Zoubek, C. E. (1984). Gregg shorthand, most-used words and phrases, series 90 (1st McGraw Hill trade ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Gregg, John Robert, Louis A. Leslie, and Charles E. Zoubek. Gregg Shorthand, Most-used Words and Phrases, Series 90. 1st McGraw Hill trade ed. New York: McGraw-Hill, 1984.

MLA (9th ed.) Citation

Gregg, John Robert, et al. Gregg Shorthand, Most-used Words and Phrases, Series 90. 1st McGraw Hill trade ed. McGraw-Hill, 1984.