Cita APA (7a ed.)
Pugh, G. T. (1968). Guide to research writing (2d ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)
Pugh, Griffith Thompson. Guide to Research Writing. 2d ed. Boston: Houghton Mifflin, 1968.
Cita MLA (9a ed.)
Pugh, Griffith Thompson. Guide to Research Writing. 2d ed. Houghton Mifflin, 1968.
Precaución: Estas citas no son 100% exactas.