APA (7th ed.) Citation

Salomaa, A. (1973). Formal languages. Academic Pr..

Chicago Style (17th ed.) Citation

Salomaa, Arto. Formal Languages. New York: Academic Pr., 1973.

MLA (8th ed.) Citation

Salomaa, Arto. Formal Languages. Academic Pr., 1973.

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