APA (7th ed.) Citation

Sumner, C., & Palmer, B. W. (1988). The papers of Charles Sumner, 1811-1874. Chadwyck-Healey.

Chicago Style (17th ed.) Citation

Sumner, Charles, and Beverly Wilson Palmer. The Papers of Charles Sumner, 1811-1874. Alexandria, VA: Chadwyck-Healey, 1988.

MLA (8th ed.) Citation

Sumner, Charles, and Beverly Wilson Palmer. The Papers of Charles Sumner, 1811-1874. Chadwyck-Healey, 1988.