APA Format
Lafferty, Peter; Lafferty, Peter; Lafferty, Peter. (1997).
Encyclopedia of science / Peter Lafferty
. New York :: Macmillan Reference USA,.
MLA Format
Lafferty, Peter; Lafferty, Peter; Lafferty, Peter.
Encyclopedia of science / Peter Lafferty
. New York :: Macmillan Reference USA,, 1997
Chicago Format
Lafferty, Peter; Lafferty, Peter; Lafferty, Peter. Encyclopedia of science / Peter Lafferty. New York :: Macmillan Reference USA,, 1997.