Principles of arithmetic and geometry for elementary school teachers /
[by] Carl B. Allendoerfer.

APA Citation

Allendoerfer, C. B. (Carl Barnett). (1971). Principles of arithmetic and geometry for elementary school teachers. New York: Macmillan.

MLA Citation

Allendoerfer, Carl B. (Carl Barnett), 1911-1974. Principles of Arithmetic And Geometry for Elementary School Teachers. New York: Macmillan, 1971.

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