Citazione Stile APA (7a Edizione)

Sanford, C. M., & Owen, G. A. (1921). Modern Americans: A biogaphical school reader for the upper grades.

Citazione stile Chigago Style (17a edizione)

Sanford, Chester M., e Grace A. Owen. Modern Americans: A Biogaphical School Reader for the Upper Grades. New York Chicago Philadelphia $nLaurel Book Company, 1921.

Citatione MLA (9a ed.)

Sanford, Chester M., e Grace A. Owen. Modern Americans: A Biogaphical School Reader for the Upper Grades. 1921.