APA (7th ed.) Citation

Howard, G. P. (1935). Procedures and Devices in Motivating the Study of Geometry.

Chicago Style (17th ed.) Citation

Howard, George Paulian. Procedures and Devices in Motivating the Study of Geometry. 1935.

MLA (8th ed.) Citation

Howard, George Paulian. Procedures and Devices in Motivating the Study of Geometry. 1935.

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