Cita APA (7a ed.)
Walker, M. (1993). Writing research papers: A Norton guide (3rd ed.). W.W. Norton.
Cita Chicago Style (17a ed.)
Walker, Melissa. Writing Research Papers: A Norton Guide. 3rd ed. New York: W.W. Norton, 1993.
Cita MLA (9a ed.)
Walker, Melissa. Writing Research Papers: A Norton Guide. 3rd ed. W.W. Norton, 1993.
Precaución: Estas citas no son 100% exactas.