Cita APA (7a ed.)

Bird, R., & Wadler, P. (1988). Introduction to functional programming. Prentice-Hall.

Cita Chicago Style (17a ed.)

Bird, Richard, y Philip Wadler. Introduction to Functional Programming. New York [etc.]: Prentice-Hall, 1988.

Cita MLA (9a ed.)

Bird, Richard, y Philip Wadler. Introduction to Functional Programming. Prentice-Hall, 1988.