APA (7th ed.) Citation

(1991). Language change in South American Indian languages. Univ. of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Language Change in South American Indian Languages. Philadelphia: Univ. of Pennsylvania Press, 1991.

MLA (9th ed.) Citation

Language Change in South American Indian Languages. Univ. of Pennsylvania Press, 1991.

Warning: These citations may not always be 100% accurate.