Citazione Stile APA (7a Edizione)

Drummond, H. D., Hughes, J. W., & Critchley, F. W. (1982). The western hemisphere (Teacher's edition.). Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Drummond, Harold D., James W. Hughes, e Faith W. Critchley. The Western Hemisphere. Teacher's edition. Boston [u.a.]: Allyn and Bacon, 1982.

Citatione MLA (9a ed.)

Drummond, Harold D., et al. The Western Hemisphere. Teacher's edition. Allyn and Bacon, 1982.