APA (7th ed.) Citation

Trager, G. L., & Trager, F. H. (1958). North American Indian languages: Classification and maps. Department of Anthropology and Linguistics, University of Buffalo.

Chicago Style (17th ed.) Citation

Trager, George L., and Felicia Harben Trager. North American Indian Languages: Classification and Maps. Buffalo: Department of Anthropology and Linguistics, University of Buffalo, 1958.

MLA (9th ed.) Citation

Trager, George L., and Felicia Harben Trager. North American Indian Languages: Classification and Maps. Department of Anthropology and Linguistics, University of Buffalo, 1958.