APA

Fries C. C., . (1940). American English grammar: the grammatical structure of present-day American English with especial reference to social differences or class dialects. New York: D. Appleton-Century Company, incorporated.

Chicago

Fries Charles Carpenter, . 1940. American English grammar: the grammatical structure of present-day American English with especial reference to social differences or class dialects. New York: D. Appleton-Century Company, incorporated.

Harvard

Fries C. C., . (1940). American English grammar: the grammatical structure of present-day American English with especial reference to social differences or class dialects. New York: D. Appleton-Century Company, incorporated.

MLA

Fries Charles Carpenter, . American English grammar: the grammatical structure of present-day American English with especial reference to social differences or class dialects. New York: D. Appleton-Century Company, incorporated. 1940.