APA (7th ed.) Citation

Swadesh, M., & Sherzer, J. (1972). The origin and diversification of language. Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Swadesh, Morris, and Joel Sherzer. The Origin and Diversification of Language. London: Routledge & Kegan Paul, 1972.

MLA (9th ed.) Citation

Swadesh, Morris, and Joel Sherzer. The Origin and Diversification of Language. Routledge & Kegan Paul, 1972.