APA (7th ed.) Citation

Salmon, J. S. (2022). Protecting America: Cold War defensive sites. National Historic Landmarks Program, National Park Service, U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

Salmon, John S. Protecting America: Cold War Defensive Sites. Washington, D.C.: National Historic Landmarks Program, National Park Service, U.S. Department of the Interior, 2022.

MLA (9th ed.) Citation

Salmon, John S. Protecting America: Cold War Defensive Sites. National Historic Landmarks Program, National Park Service, U.S. Department of the Interior, 2022.