APA (7th ed.) Citation

Thomas, H., & Thomas, D. L. (1971). Living biographies of American statesmen. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of American Statesmen. Freeport, N.Y.: Books for Libraries Press, 1971.

MLA (9th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of American Statesmen. Books for Libraries Press, 1971.