APA Citation

Welchons, A. M., & Krickenberger, W. R. (1943). Plane geometry (rev. edition.). Boston, Massachusetts: Ginn.

Chicago Style Citation

Welchons, Alvin M., and William R. Krickenberger. Plane Geometry. rev. edition. Boston, Massachusetts: Ginn, 1943.

MLA Citation

Welchons, Alvin M., and William R. Krickenberger. Plane Geometry. rev. edition. Boston, Massachusetts: Ginn, 1943.

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