APA-referens (7:e uppl.)

Pedersen, H., & Spargo, J. W. (1962). The discovery of language: Linguistic science in the nineteenth century. Indian University Press.

Chicago-referens (17:e uppl.)

Pedersen, Holger, och John Webster Spargo. The Discovery of Language: Linguistic Science in the Nineteenth Century. Bloomington: Indian University Press, 1962.

MLA-referens (9:e uppl.)

Pedersen, Holger, och John Webster Spargo. The Discovery of Language: Linguistic Science in the Nineteenth Century. Indian University Press, 1962.