Cita APA (7th ed.)
(1987). McGraw-Hill encyclopedia of science & technology (6th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
McGraw-Hill Encyclopedia of Science & Technology. 6th ed. New York: McGraw-Hill, 1987.
Cita MLA (9th ed.)
McGraw-Hill Encyclopedia of Science & Technology. 6th ed. McGraw-Hill, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.