APA

Crothers G. D., . (1964). American History. New York: Holt, Rinehart and Winston.

Chicago

Crothers George Dunlap, . 1964. American History. New York: Holt, Rinehart and Winston.

Harvard

Crothers G. D., . (1964). American History. New York: Holt, Rinehart and Winston.

MLA

Crothers George Dunlap, . American History. New York: Holt, Rinehart and Winston. 1964.