Cita APA (7a ed.)

Raffler-Engel, W. v., Wind, J., & Jonker, A. (1991). Studies in language origins. John Benjamins.

Cita Chicago Style (17a ed.)

Raffler-Engel, Walburga von, Jan Wind, y Abraham Jonker. Studies in Language Origins. Amsterdam [etc.]: John Benjamins, 1991.

Cita MLA (9a ed.)

Raffler-Engel, Walburga von, et al. Studies in Language Origins. John Benjamins, 1991.