Citazione Stile APA (7a Edizione)

ALLENDOERFER, C. B. (1971). Principles of arithmetic and geometry for elementaryschool teachers. The Macmillan co.

Citazione stile Chigago Style (17a edizione)

ALLENDOERFER, Carl B. Principles of Arithmetic and Geometry for Elementaryschool Teachers. New York: The Macmillan co, 1971.

Citatione MLA (9a ed.)

ALLENDOERFER, Carl B. Principles of Arithmetic and Geometry for Elementaryschool Teachers. The Macmillan co, 1971.