Gaer, J. (1964). Great religions believe. The New American Library.
Cita Chicago Style (17a ed.)Gaer, Joseph. Great Religions Believe. The New American Library, 1964.
Cita MLA (9a ed.)Gaer, Joseph. Great Religions Believe. The New American Library, 1964.
Precaución: Estas citas no son 100% exactas.