Gilman, A. (1874). Seven historic ages, or, talks about kings, queens, and barbarians. Hurd and Houghton.
Cita Chicago Style (17a ed.)Gilman, Arthur. Seven Historic Ages, or, Talks About Kings, Queens, and Barbarians. New York: Hurd and Houghton, 1874.
Cita MLA (8a ed.)Gilman, Arthur. Seven Historic Ages, or, Talks About Kings, Queens, and Barbarians. Hurd and Houghton, 1874.
Precaución: Estas citas no son 100% exactas.