APA (7th ed.) Citation

Gregg, J. R. (1978). Gregg shorthand dictionary, series 90. McGraw-Hill.

Chicago Style (17th ed.) Citation

Gregg, John Robert. Gregg Shorthand Dictionary, Series 90. N.Y: McGraw-Hill, 1978.

MLA (9th ed.) Citation

Gregg, John Robert. Gregg Shorthand Dictionary, Series 90. McGraw-Hill, 1978.