Cita APA (7a ed.)
(1987). McGraw - hill encyclopedia of science and technology: An international reference work in Twenty volumes including an index (6th ed.). McGraw - hill.
Cita Chicago Style (17a ed.)
McGraw - Hill Encyclopedia of Science and Technology: An International Reference Work in Twenty Volumes Including an Index. 6th ed. New York: McGraw - hill, 1987.
Cita MLA (9a ed.)
McGraw - Hill Encyclopedia of Science and Technology: An International Reference Work in Twenty Volumes Including an Index. 6th ed. McGraw - hill, 1987.
Precaución: Estas citas no son 100% exactas.