A psychological analysis of plane geometry /
by Herbert D. Welte.

APA Citation

Welte, H. David. (1926). A psychological analysis of plane geometry. Iowa City, Ia.: College of Education, University of Iowa.

MLA Citation

Welte, Herbert David, 1898-. A Psychological Analysis of Plane Geometry. Iowa City, Ia.: College of Education, University of Iowa, 1926.

Warning: These citations may not always be complete (especially for serials).