APA (7e ed.) Bronvermelding

Palmer, B. W. (1988). Guide and index to the papers of Charles Sumner. Chadwyck-Healey.

Chicago (17e ed.) Bronvermelding

Palmer, Beverly Wilson. Guide and Index to the Papers of Charles Sumner. Alexandria, VA: Chadwyck-Healey, 1988.

MLA (8e ed.) Bronvermelding

Palmer, Beverly Wilson. Guide and Index to the Papers of Charles Sumner. Chadwyck-Healey, 1988.