Cita APA (7a ed.)

Pedersen, H., & Spargo, J. W. (1967). The discovery of language: Linguistic science in the nineteenth century (4th print.). Indiana University Press.

Cita Chicago Style (17a ed.)

Pedersen, Holger, y John Webster Spargo. The Discovery of Language: Linguistic Science in the Nineteenth Century. 4th print. Bloomington ; London: Indiana University Press, 1967.

Cita MLA (9a ed.)

Pedersen, Holger, y John Webster Spargo. The Discovery of Language: Linguistic Science in the Nineteenth Century. 4th print. Indiana University Press, 1967.