APA Citation

Wentworth, G. A. 1., & Smith, D. E. 1. (1916). Aritmetica moderna. Boston.

Chicago Style Citation

Wentworth, George Albert 1835-1906, and David Eugene 1860-1944 Smith. Aritmetica Moderna. Boston, 1916.

MLA Citation

Wentworth, George Albert 1835-1906, and David Eugene 1860-1944 Smith. Aritmetica Moderna. Boston, 1916.

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