APA (7th ed.) Citation

Gregory, L., & Smythe, C. (1976). Seventy years: Being the autobiography of Lady Gregory (1st American ed.). Macmillan.

Chicago Style (17th ed.) Citation

Gregory, Lady, and Colin Smythe. Seventy Years: Being the Autobiography of Lady Gregory. 1st American ed. New York: Macmillan, 1976.

MLA (9th ed.) Citation

Gregory, Lady, and Colin Smythe. Seventy Years: Being the Autobiography of Lady Gregory. 1st American ed. Macmillan, 1976.