APA

Houghton M. a. C., . (2001). The american heritage. New York, New York: Bantam Dell.

Chicago

Houghton Mifflin and Company, . 2001. The american heritage. New York, New York: Bantam Dell.

Harvard

Houghton M. a. C., . (2001). The american heritage. New York, New York: Bantam Dell.

MLA

Houghton Mifflin and Company, . The american heritage. New York, New York: Bantam Dell. 2001.