APA (7th ed.) Citation

Ferris, R. G., Historic Sites Survey (U.S.), & United States. National Park Service. (1974). Signers of the Declaration: Historic places commemorating the signing of the Declaration of Independence. United States Department of the Interior, National Park Service.

Chicago Style (17th ed.) Citation

Ferris, Robert G., Historic Sites Survey (U.S.), and United States. National Park Service. Signers of the Declaration: Historic Places Commemorating the Signing of the Declaration of Independence. Washington, D.C.: United States Department of the Interior, National Park Service, 1974.

MLA (8th ed.) Citation

Ferris, Robert G., et al. Signers of the Declaration: Historic Places Commemorating the Signing of the Declaration of Independence. United States Department of the Interior, National Park Service, 1974.