APA (7th ed.) Citation

Larsen, T., & Walker, F. C. (1930). Pronunciation: A practical guide to American Standards. Oxford University Press.

Chicago Style (17th ed.) Citation

Larsen, Thorleif, and Francis Cox Walker. Pronunciation: A Practical Guide to American Standards. London, New York [etc.]: Oxford University Press, 1930.

MLA (9th ed.) Citation

Larsen, Thorleif, and Francis Cox Walker. Pronunciation: A Practical Guide to American Standards. Oxford University Press, 1930.