Cita APA (7a ed.)
Roberts, T. D. (1954). Blacks Popes: Authority : Its Use and Abuse. Sheed and Ward.
Cita estilo Chicago (17a ed.)
Roberts, Thomas D. Blacks Popes: Authority : Its Use and Abuse. Nueva York, EUA: Sheed and Ward, 1954.
Cita MLA (9a ed.)
Roberts, Thomas D. Blacks Popes: Authority : Its Use and Abuse. Sheed and Ward, 1954.
Precaución: Estas citas no son 100% exactas.