Cita APA (7a ed.)
Ridenour, F. (1979). So what's the difference (Rev. ed.). Regal Books.
Cita Chicago Style (17a ed.)
Ridenour, Fritz. So What's the Difference. Rev. ed. Glendale, Calif.: Regal Books, 1979.
Cita MLA (9a ed.)
Ridenour, Fritz. So What's the Difference. Rev. ed. Regal Books, 1979.
Precaución: Estas citas no son 100% exactas.