Cita APA (7th ed.)

COLLIER' ENCYLOPEDIA, HALSEY, W. D. [., & JOHNSTON, B. [. (1989). Collier's encyclopedia vol.13. Macmillan Educational.

Cita Chicago (17th ed.)

COLLIER' ENCYLOPEDIA, William D. [edt.] HALSEY, i Bernard [edt] JOHNSTON. Collier's Encyclopedia Vol.13. New York: Macmillan Educational, 1989.

Cita MLA (9th ed.)

COLLIER' ENCYLOPEDIA, et al. Collier's Encyclopedia Vol.13. Macmillan Educational, 1989.