APA (7th ed.) Citation
Ridenour, F. (1979). So what's the difference (Rev. ed.). Regal Books.
Chicago Style (17th ed.) Citation
Ridenour, Fritz. So What's the Difference. Rev. ed. Glendale, Calif.: Regal Books, 1979.
MLA (9th ed.) Citation
Ridenour, Fritz. So What's the Difference. Rev. ed. Regal Books, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.