Citazione Stile APA (7a Edizione)

Black, J. W., & Irwin, R. (1969). Voice and diction: Phonation and phonology. C.E. Merrill.

Citazione stile Chigago Style (17a edizione)

Black, John Wilson, e Ruth Irwin. Voice and Diction: Phonation and Phonology. Columbus, Ohio: C.E. Merrill, 1969.

Citatione MLA (9a ed.)

Black, John Wilson, e Ruth Irwin. Voice and Diction: Phonation and Phonology. C.E. Merrill, 1969.