APA (7th ed.) Citation

Pin, J. E. (1986). Varieties of formal languages (Rev. and updated.). Plenum Pub. Corp..

Chicago Style (17th ed.) Citation

Pin, Jean Eric. Varieties of Formal Languages. Rev. and updated. New York, NY: Plenum Pub. Corp., 1986.

MLA (9th ed.) Citation

Pin, Jean Eric. Varieties of Formal Languages. Rev. and updated. Plenum Pub. Corp., 1986.