Nordquist, R. (1991). Passages: A beginning writers guide (2nd.ed.). St.Martin's.
Cita Chicago Style (17a ed.)Nordquist, Richard. Passages: A Beginning Writers Guide. 2nd.ed. New York: St.Martin's, 1991.
Cita MLA (9a ed.)Nordquist, Richard. Passages: A Beginning Writers Guide. 2nd.ed. St.Martin's, 1991.
Precaución: Estas citas no son 100% exactas.