APA (7th ed.) Citation

Thomas, H., & Thomas, D. L. (1972). Living biographies of famous rulers. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of Famous Rulers. Freeport, N.Y: Books for Libraries Press, 1972.

MLA (9th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of Famous Rulers. Books for Libraries Press, 1972.