APA (7th ed.) Citation

Summerfield, J. Sketch of Grammar of the Chippeway Languages To Which is Added a Vocabulary of some of the Most Common Words.

Chicago Style (17th ed.) Citation

Summerfield, John. Sketch of Grammar of the Chippeway Languages To Which Is Added a Vocabulary of Some of the Most Common Words.

MLA (9th ed.) Citation

Summerfield, John. Sketch of Grammar of the Chippeway Languages To Which Is Added a Vocabulary of Some of the Most Common Words.

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