APA (7th ed.) Citation

A.M.Welchons. (1933). New plane geometry. Ginn and company.

Chicago Style (17th ed.) Citation

A.M.Welchons. New Plane Geometry. New York: Ginn and company, 1933.

MLA (9th ed.) Citation

A.M.Welchons. New Plane Geometry. Ginn and company, 1933.

Warning: These citations may not always be 100% accurate.