APA (7th ed.) Citation

Young, J. W., Fort, T., & Morgan, F. M. (1936). Analytical geometry.

Chicago Style (17th ed.) Citation

Young, John Wesley, Tomlinson Fort, and Frank Millett Morgan. Analytical Geometry. Cambridge, Mass. : Houghton Mifflin, 1936.

MLA (9th ed.) Citation

Young, John Wesley, et al. Analytical Geometry. 1936.