APA Style

Macmillan, ., Walpole, B. (1991). Macmillan Encyclopedia of Science 6 : Body and Health . New York: MCMILLAN.

MLA Style

Macmillan, ., Walpole, Brenda.. "Macmillan Encyclopedia of Science 6 : Body and Health". New York: MCMILLAN, 1991. Buku.