APA (7th ed.) Citation

Ekirch, A. A. (1951). The idea of progress in America, 1815-1860. P. Smith.

Chicago Style (17th ed.) Citation

Ekirch, Arthur Alphonse. The Idea of Progress in America, 1815-1860. New York: P. Smith, 1951.

MLA (9th ed.) Citation

Ekirch, Arthur Alphonse. The Idea of Progress in America, 1815-1860. P. Smith, 1951.