APA (7th ed.) Citation

Brewer, J. M. 1., Hurlbut, F., & Caseman, J. (1940). Introductory business training. Ginn and company.

Chicago Style (17th ed.) Citation

Brewer, John Marks 1877, Floyd Hurlbut, and Juvenilia Caseman. Introductory Business Training. Boston, New York [etc.]: Ginn and company, 1940.

MLA (9th ed.) Citation

Brewer, John Marks 1877, et al. Introductory Business Training. Ginn and company, 1940.