Cita APA (7th ed.)
Hjelmslev, L., & Whitfield, F. J. (1969). Prolegomena to a theory of language (edición en Ingles revisada.). University of Wisconsin Press.
Cita Chicago (17th ed.)
Hjelmslev, Louis, i Francis J. Whitfield. Prolegomena to a Theory of Language. edición en Ingles revisada. Madison, Wisconsin: University of Wisconsin Press, 1969.
Cita MLA (9th ed.)
Hjelmslev, Louis, i Francis J. Whitfield. Prolegomena to a Theory of Language. edición en Ingles revisada. University of Wisconsin Press, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.