Cita APA (7a ed.)
Hopkins, B. C. (2012). UNITY IN ANCIENT AND MODERN PHILOSOPHY AND HYPOTHESIS OF UNIVERSAL HISTORY. Problems / Problemos, 82, 59-70.
Cita Chicago Style (17a ed.)
Hopkins, Burt C. "UNITY IN ANCIENT AND MODERN PHILOSOPHY AND HYPOTHESIS OF UNIVERSAL HISTORY." Problems / Problemos 82 (2012): 59-70.
Cita MLA (9a ed.)
Hopkins, Burt C. "UNITY IN ANCIENT AND MODERN PHILOSOPHY AND HYPOTHESIS OF UNIVERSAL HISTORY." Problems / Problemos, vol. 82, 2012, pp. 59-70.
Precaución: Estas citas no son 100% exactas.