Citazione Stile APA (7a Edizione)

O'Brien, J. A. (1931). Cathedral Basic Readers book two: Life-Reading Service (A revision of the Elson Basic Readers.). Scott, Foresman and Company.

Citazione stile Chigago Style (17a edizione)

O'Brien, John A. Cathedral Basic Readers Book Two: Life-Reading Service. A revision of the Elson Basic Readers. Chicago Atlanta Dallas New York: Scott, Foresman and Company, 1931.

Citatione MLA (9a ed.)

O'Brien, John A. Cathedral Basic Readers Book Two: Life-Reading Service. A revision of the Elson Basic Readers. Scott, Foresman and Company, 1931.