APA Style

Macmillan, ., Stidworthy, J. (1991). Macmillan Encyclopedia of Science 3 : The Earth Our Planet its Land Sea and air . New York: MCMILLAN.

MLA Style

Macmillan, ., Stidworthy, John.. "Macmillan Encyclopedia of Science 3 : The Earth Our Planet its Land Sea and air". New York: MCMILLAN, 1991. Buku.