Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Gross, Maurice, André Lentin, Noam Chomsky, y Morris Salkoff. Introduction to Formal Grammars. Berlin [etc.]: Springer, 1970.

Cita MLA (9a ed.)

Gross, Maurice, et al. Introduction to Formal Grammars. Springer, 1970.