Cita APA

Ginsburg, S., Greibach, S., & Hopcroft, J. E. (1969). Studies in abstract families of languages. American Mathematical Society.

Citación estilo Chicago

Ginsburg, Seymour, Sheila Greibach, and John E. Hopcroft. Studies in Abstract Families of Languages. Providence, Rhode Island: American Mathematical Society, 1969.

Cita MLA

Ginsburg, Seymour, et al. Studies in Abstract Families of Languages. American Mathematical Society, 1969.