Welchons, A. M., & Krickenberger, W. R. (1940). Teachers´ Key: To plane geometry. Ginn and Company.
Chicago Style (17th ed.) CitationWelchons, A. M., and W. R. Krickenberger. Teachers´ Key: To Plane Geometry. Ginn and Company, 1940.
MLA (9th ed.) CitationWelchons, A. M., and W. R. Krickenberger. Teachers´ Key: To Plane Geometry. Ginn and Company, 1940.
Warning: These citations may not always be 100% accurate.