APA (7th ed.) Citation

Yan, S. Y. (1998). An introduction to formal languages and machine computation. World Scientific Pub. Co.

Chicago Style (17th ed.) Citation

Yan, Song Y. An Introduction to Formal Languages and Machine Computation. Singapore: World Scientific Pub. Co, 1998.

MLA (9th ed.) Citation

Yan, Song Y. An Introduction to Formal Languages and Machine Computation. World Scientific Pub. Co, 1998.