Cita APA (7th ed.)
Evans, E. J. (1999). William Pitt the Younger. Routledge.
Cita Chicago (17th ed.)
Evans, Eric J. William Pitt the Younger. London ; New York: Routledge, 1999.
Cita MLA (9th ed.)
Evans, Eric J. William Pitt the Younger. Routledge, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.