APA (7th ed.) Citation

Smith, N. K., & Ryan, M. C. (1989). Modern first ladies: Their documentary legacy. National Archives and Records Administration.

Chicago Style (17th ed.) Citation

Smith, Nancy Kegan, and Mary C. Ryan. Modern First Ladies: Their Documentary Legacy. Washington, D.C.: National Archives and Records Administration, 1989.

MLA (9th ed.) Citation

Smith, Nancy Kegan, and Mary C. Ryan. Modern First Ladies: Their Documentary Legacy. National Archives and Records Administration, 1989.