Webb, E. (2014). Eric Voegelin: Philosopher of history (Paperback edition.). University of Washington Press.
Chicago Style (17. basım) AtıfWebb, Eugene. Eric Voegelin: Philosopher of History. Paperback edition. Seattle, [Washington] ; London, [England]: University of Washington Press, 2014.
MLA (9th ed.) AtıfWebb, Eugene. Eric Voegelin: Philosopher of History. Paperback edition. University of Washington Press, 2014.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..