Style de citation APA (7e éd.)

Gregg, J. R. (1924). The Q's and A's of shorthand theory. Gregg Pub. Co..

Style de citation Chicago (17e éd.)

Gregg, John Robert. The Q's and A's of Shorthand Theory. New York : Boston [etc.]: Gregg Pub. Co., 1924.

Style de citation MLA (8e éd.)

Gregg, John Robert. The Q's and A's of Shorthand Theory. Gregg Pub. Co., 1924.