Cita APA (7th ed.)
Mortimer, J. C. (1991). Titmuss regained. Penguin Books.
Cita Chicago (17th ed.)
Mortimer, John Clifford. Titmuss Regained. New York, N.Y., U.S.A.: Penguin Books, 1991.
Cita MLA (9th ed.)
Mortimer, John Clifford. Titmuss Regained. Penguin Books, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.