Cita APA (7a ed.)

Weinreich, U., Labov, W., & Herzog, M. I. (1968). Empirical foundations for a therory of language change. [s.n.].

Cita Chicago Style (17a ed.)

Weinreich, Uriel, William Labov, y Marvin I. Herzog. Empirical Foundations for a Therory of Language Change. [S.l.]: [s.n.], 1968.

Cita MLA (9a ed.)

Weinreich, Uriel, et al. Empirical Foundations for a Therory of Language Change. [s.n.], 1968.