Cita APA (7a ed.)

Hart, A. B. (1918). School history of the United States. American Book Co..

Cita Chicago Style (17a ed.)

Hart, Albert Bushnell. School History of the United States. New York: American Book Co., 1918.

Cita MLA (8a ed.)

Hart, Albert Bushnell. School History of the United States. American Book Co., 1918.