McCrimmon, J. M. (1972). Writing with a purpose (5th ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)McCrimmon, James M. Writing with a Purpose. 5th ed. Boston: Houghton Mifflin, 1972.
Cita MLA (9a ed.)McCrimmon, James M. Writing with a Purpose. 5th ed. Houghton Mifflin, 1972.
Precaución: Estas citas no son 100% exactas.