APA (7th ed.) Citation

Williams, W. P., & Abbott, C. S. (1989). An introduction to bibliographical and textual studies (2nd ed.). Modern Language Association of America.

Chicago Style (17th ed.) Citation

Williams, William Proctor, and Craig S. Abbott. An Introduction to Bibliographical and Textual Studies. 2nd ed. New York: Modern Language Association of America, 1989.

MLA (9th ed.) Citation

Williams, William Proctor, and Craig S. Abbott. An Introduction to Bibliographical and Textual Studies. 2nd ed. Modern Language Association of America, 1989.