APA (7th ed.) Citation

Hoover, Campbell, & Spain. (1992). Hoover's handbook of American business 1993. Reference Press.

Chicago Style (17th ed.) Citation

Hoover, Campbell, and Spain. Hoover's Handbook of American Business 1993. Texas: Reference Press, 1992.

MLA (8th ed.) Citation

Hoover, et al. Hoover's Handbook of American Business 1993. Reference Press, 1992.