Cita APA (7th ed.)
Spiller, M. R. G. (1992). The development of the sonnet: An introduction. Routledge.
Cita Chicago (17th ed.)
Spiller, Michael R. G. The Development of the Sonnet: An Introduction. London ; New York: Routledge, 1992.
Cita MLA (9th ed.)
Spiller, Michael R. G. The Development of the Sonnet: An Introduction. Routledge, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.