APA Citation

Rapkin, M. K., & Howitt, L. C. (1968). Ensenanza de la aritmetica elemental. México: UTEHA.

Chicago Style Citation

Rapkin, Minnie K., and Lilliam C. Howitt. Ensenanza De La Aritmetica Elemental. México: UTEHA, 1968.

MLA Citation

Rapkin, Minnie K., and Lilliam C. Howitt. Ensenanza De La Aritmetica Elemental. México: UTEHA, 1968.

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