APA (7th ed.) Citation

Wentworth, G. (1902). Aritmética elemental.

Chicago Style (17th ed.) Citation

Wentworth, G.A. Aritmética Elemental. Boston, 1902.

MLA (9th ed.) Citation

Wentworth, G.A. Aritmética Elemental. 1902.

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