APA (7th ed.) Citation

Gregg, J. R. (1930). Gregg shorthand dictionary. The Gregg Publishing Company.

Chicago Style (17th ed.) Citation

Gregg, John Robert. Gregg Shorthand Dictionary. London: The Gregg Publishing Company, 1930.

MLA (9th ed.) Citation

Gregg, John Robert. Gregg Shorthand Dictionary. The Gregg Publishing Company, 1930.

Warning: These citations may not always be 100% accurate.