APA (7th ed.) Citation

United States. National Archives and Records Service & Paulauskas, J. A. (1977). Additional improvement patents, 1837-1861. National Archives and Records Service, General Services Administration.

Chicago Style (17th ed.) Citation

United States. National Archives and Records Service and James A. Paulauskas. Additional Improvement Patents, 1837-1861. Washington: National Archives and Records Service, General Services Administration, 1977.

MLA (9th ed.) Citation

United States. National Archives and Records Service and James A. Paulauskas. Additional Improvement Patents, 1837-1861. National Archives and Records Service, General Services Administration, 1977.