APA (7th ed.) Citation

(1971). Drills and exercises in english pronunciation: Consonats and vowels. Collier-Macmillan international.

Chicago Style (17th ed.) Citation

Drills and Exercises in English Pronunciation: Consonats and Vowels. New York: Collier-Macmillan international, 1971.

MLA (9th ed.) Citation

Drills and Exercises in English Pronunciation: Consonats and Vowels. Collier-Macmillan international, 1971.

Warning: These citations may not always be 100% accurate.