Citazione Stile APA (7a Edizione)

Cox, R. H. F. (1977). Sam 7. Reader's Digest Press : distributed by Crowell.

Citazione stile Chigago Style (17a edizione)

Cox, Richard Hubert Francis. Sam 7. New York: Reader's Digest Press : distributed by Crowell, 1977.

Citatione MLA (9a ed.)

Cox, Richard Hubert Francis. Sam 7. Reader's Digest Press : distributed by Crowell, 1977.