Cita APA (7a ed.)

Braffort, P., & Hirschberg, D. (1967). Computer programming and formal systems. North-Holland.

Cita Chicago Style (17a ed.)

Braffort, P., y D. Hirschberg. Computer Programming and Formal Systems. Amsterdam: North-Holland, 1967.

Cita MLA (9a ed.)

Braffort, P., y D. Hirschberg. Computer Programming and Formal Systems. North-Holland, 1967.