Cita APA (7a ed.)

Armstrong, L. E., & Ward, I. C. (1959). A handbook of english intonation (2 ed.). W Heffer & sons.

Cita Chicago Style (17a ed.)

Armstrong, Lilias E., y Ida C. Ward. A Handbook of English Intonation. 2 ed. Cambridge: W Heffer & sons, 1959.

Cita MLA (8a ed.)

Armstrong, Lilias E., y Ida C. Ward. A Handbook of English Intonation. 2 ed. W Heffer & sons, 1959.