APA (7th ed.) Citation

Truman, H. S., & Poen, M. M. (1982). Strictly personal and confidential: The letters Harry Truman never mailed. Little, Brown.

Chicago Style (17th ed.) Citation

Truman, Harry S., and Monte M. Poen. Strictly Personal and Confidential: The Letters Harry Truman Never Mailed. Boston: Little, Brown, 1982.

MLA (8th ed.) Citation

Truman, Harry S., and Monte M. Poen. Strictly Personal and Confidential: The Letters Harry Truman Never Mailed. Little, Brown, 1982.