APA (7th ed.) Citation
Harper, R. (2013). Practical foundations for programming languages. Cambridge University Press.
Chicago Style (17th ed.) Citation
Harper, Robert. Practical Foundations for Programming Languages. Cambridge ; New York: Cambridge University Press, 2013.
MLA (9th ed.) Citation
Harper, Robert. Practical Foundations for Programming Languages. Cambridge University Press, 2013.
Warning: These citations may not always be 100% accurate.