Ellison, J. W. (1972). Descent. Joseph.
Cita Chicago (17th ed.)Ellison, James Whitfield. Descent. London: Joseph, 1972.
Cita MLA (8th ed.)Ellison, James Whitfield. Descent. Joseph, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)