Citazione Stile APA (7a Edizione)

Armstrong, L. E., & Ward, I. C. (1931). A handbook of English intonation. W. Heffer.

Citazione stile Chigago Style (17a edizione)

Armstrong, Lilias Evaline, e Ida Caroline Ward. A Handbook of English Intonation. Cambridge, Mass: W. Heffer, 1931.

Citatione MLA (9a ed.)

Armstrong, Lilias Evaline, e Ida Caroline Ward. A Handbook of English Intonation. W. Heffer, 1931.