APA (7th ed.) Citation

Ernst, M. S. (1954). Words: English roots and how they grow (3d ed., rev.). Knopf.

Chicago Style (17th ed.) Citation

Ernst, Margaret Samuels. Words: English Roots and How They Grow. 3d ed., rev. New York: Knopf, 1954.

MLA (9th ed.) Citation

Ernst, Margaret Samuels. Words: English Roots and How They Grow. 3d ed., rev. Knopf, 1954.