Cita APA (7th ed.)

Karp, C. R. (1964). Languages with expressions of infinite length. North-Holland.

Cita Chicago (17th ed.)

Karp, Carol R. Languages with Expressions of Infinite Length. Amsterdam: North-Holland, 1964.

Cita MLA (9th ed.)

Karp, Carol R. Languages with Expressions of Infinite Length. North-Holland, 1964.