APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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