APA (7th ed.) Citation

Gross, M., & Lentin, A. (1970). Introduction to formal grammars. Springer.

Chicago Style (17th ed.) Citation

Gross, Maurice, and André Lentin. Introduction to Formal Grammars. Berlin [u.a.]: Springer, 1970.

MLA (9th ed.) Citation

Gross, Maurice, and André Lentin. Introduction to Formal Grammars. Springer, 1970.