Whitaker, J. (1904). Joseph Whitaker's Peerage. Whitaker.
Cita Chicago (17th ed.)Whitaker, Joseph. Joseph Whitaker's Peerage. London: Whitaker, 1904.
Cita MLA (8th ed.)Whitaker, Joseph. Joseph Whitaker's Peerage. Whitaker, 1904.
Atenció: Aquestes cites poden no estar 100% correctes.