APA (7th ed.) Citation

Howie, J. M. (1991). Automata and languages. University Press.

Chicago Style (17th ed.) Citation

Howie, John M. Automata and Languages. Oxford [etc.]: University Press, 1991.

MLA (9th ed.) Citation

Howie, John M. Automata and Languages. University Press, 1991.

Warning: These citations may not always be 100% accurate.