Cita APA (7a ed.)

Allendoerfer, C. B. (1971). Principles of arithmetic and geometry for elementary school teachers. Macmillan.

Cita Chicago Style (17a ed.)

Allendoerfer, Carl B. Principles of Arithmetic and Geometry for Elementary School Teachers. New York: Macmillan, 1971.

Cita MLA (8a ed.)

Allendoerfer, Carl B. Principles of Arithmetic and Geometry for Elementary School Teachers. Macmillan, 1971.