Cita APA (7a ed.)

Harper, R. (2013). Practical foundations for programming languages. Cambridge University Press.

Cita Chicago Style (17a ed.)

Harper, Robert. Practical Foundations for Programming Languages. Cambridge, New York: Cambridge University Press, 2013.

Cita MLA (9a ed.)

Harper, Robert. Practical Foundations for Programming Languages. Cambridge University Press, 2013.