Citazione Stile APA (7a Edizione)

Spriestersbach, D. C., Sherman, D. H., & Curtis, J. F. (1968). Cleft palate and communication. Academic Press.

Citazione stile Chigago Style (17a edizione)

Spriestersbach, D. C., Dorothy Helen Sherman, e James F. Curtis. Cleft Palate and Communication. New York: Academic Press, 1968.

Citatione MLA (9a ed.)

Spriestersbach, D. C., et al. Cleft Palate and Communication. Academic Press, 1968.