APA (7th ed.) Citation

Sweet, H. (1974). The history of language. Folcroft Library Editions.

Chicago Style (17th ed.) Citation

Sweet, Henry. The History of Language. [Folcroft, Pa.]: Folcroft Library Editions, 1974.

MLA (9th ed.) Citation

Sweet, Henry. The History of Language. Folcroft Library Editions, 1974.

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