Citazione Stile APA (7a Edizione)

Baird, S. W. (1897). Graded in arithmetic. Third book, numbers to 1,000,000. American Book Co.

Citazione stile Chigago Style (17a edizione)

Baird, S. W. Graded in Arithmetic. Third Book, Numbers to 1,000,000. Nuew York-Cincinnati- Chicago: American Book Co, 1897.

Citatione MLA (9a ed.)

Baird, S. W. Graded in Arithmetic. Third Book, Numbers to 1,000,000. American Book Co, 1897.