APA (7th ed.) Citation

Shields, M. W. (1987). An introduction to automata theory. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Shields, M. W. An Introduction to Automata Theory. Oxford [Oxfordshire] ; Boston: Blackwell Scientific Publications, 1987.

MLA (9th ed.) Citation

Shields, M. W. An Introduction to Automata Theory. Blackwell Scientific Publications, 1987.

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