APA (7th ed.) Citation

Young, J. W. (1930). Projective geometry. Pub. for the Mathematical association of America by the Open court publishing company.

Chicago Style (17th ed.) Citation

Young, John Wesley. Projective Geometry. Chicago, Ill.: Pub. for the Mathematical association of America by the Open court publishing company, 1930.

MLA (9th ed.) Citation

Young, John Wesley. Projective Geometry. Pub. for the Mathematical association of America by the Open court publishing company, 1930.