APA (7th ed.) Citation

Veblen, O., & Young, J. W. (1916). Projective geometry ([2. impr.].). Ginn.

Chicago Style (17th ed.) Citation

Veblen, Oswald, and John Wesley Young. Projective Geometry. [2. impr.]. Boston, Mass. [u.a.]: Ginn, 1916.

MLA (9th ed.) Citation

Veblen, Oswald, and John Wesley Young. Projective Geometry. [2. impr.]. Ginn, 1916.