APA (7th ed.) Citation

Fremantle, A. J. L., Haskell, F. A., & Harwell, R. B. (1964). Two views of Gettysburg. Lakeside Press.

Chicago Style (17th ed.) Citation

Fremantle, Arthur James Lyon, Franklin Aretas Haskell, and Richard Barksdale Harwell. Two Views of Gettysburg. Chicago: Lakeside Press, 1964.

MLA (9th ed.) Citation

Fremantle, Arthur James Lyon, et al. Two Views of Gettysburg. Lakeside Press, 1964.