Gaya APA

Halsey, W, D., Johnston, B. (1997). Collier’s Encyclopedia Volume 24 (Edisi revisi (final edition)). New York: Macmillan Educational Company.

Gaya MLA

Halsey, William, D.., Johnston, Bernard. "Collier’s Encyclopedia Volume 24". Edisi revisi (final edition) New York: Macmillan Educational Company, 1997. Print.