APA Style

Macmillan, ., Stidworthy, J. (1991). Macmillan Encyclopedia of Science 4 : Life and Earth Fosill and Human Acestor the basicsof Life . New York: MCMILLAN.

MLA Style

Macmillan, ., Stidworthy, John.. "Macmillan Encyclopedia of Science 4 : Life and Earth Fosill and Human Acestor the basicsof Life". New York: MCMILLAN, 1991. Buku.