Gilman, A. (1874). Seven historic ages, or, talks about kings, queens, and barbarians. Hurd and Houghton.
Chicago-viite (17. p.)Gilman, Arthur. Seven Historic Ages, or, Talks About Kings, Queens, and Barbarians. New York: Hurd and Houghton, 1874.
MLA-viite (8. p.)Gilman, Arthur. Seven Historic Ages, or, Talks About Kings, Queens, and Barbarians. Hurd and Houghton, 1874.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.