APA (7th ed.) Citation

COLLIER'S ENCYCLOPEDIA, HALSEY, W. D. [. E., & JOHNSTON, B. [. E. (1989). Collier's encyclopedia vol.2. Macmillan Educational.

Chicago Style (17th ed.) Citation

COLLIER'S ENCYCLOPEDIA, William D. [ Edt.] HALSEY, and Bernard [ Edt.] JOHNSTON. Collier's Encyclopedia Vol.2. New York: Macmillan Educational, 1989.

MLA (9th ed.) Citation

COLLIER'S ENCYCLOPEDIA, et al. Collier's Encyclopedia Vol.2. Macmillan Educational, 1989.