APA (7th ed.) Citation
Spiller, M. R. G. (1992). The development of the sonnet: An introduction. Routledge.
Chicago Style (17th ed.) Citation
Spiller, Michael R. G. The Development of the Sonnet: An Introduction. London ; New York: Routledge, 1992.
MLA (9th ed.) Citation
Spiller, Michael R. G. The Development of the Sonnet: An Introduction. Routledge, 1992.
Warning: These citations may not always be 100% accurate.