Cita APA (7a ed.)

Harrison, M. A. (1978). Introduction to formal language theory. Addison-Wesley.

Cita Chicago Style (17a ed.)

Harrison, Michael A. Introduction to Formal Language Theory. Reading, Massachusetts [etc.]: Addison-Wesley, 1978.

Cita MLA (9a ed.)

Harrison, Michael A. Introduction to Formal Language Theory. Addison-Wesley, 1978.