Citazione Stile APA (7a Edizione)

Elson, W. H., & Kelly, E. R. (1925). Child-Library Readers: Book Three. The Elson Extension Series.

Citazione stile Chigago Style (17a edizione)

Elson, William H., e Edna R. Kelly. Child-Library Readers: Book Three. The Elson Extension Series. 1925.

Citatione MLA (9a ed.)

Elson, William H., e Edna R. Kelly. Child-Library Readers: Book Three. The Elson Extension Series. 1925.