APA (7th ed.) Citation

Sumner, C. Charles Sumner: His complete works, volume 15 (of 20).

Chicago Style (17th ed.) Citation

Sumner, Charles. Charles Sumner: His Complete Works, Volume 15 (of 20).

MLA (9th ed.) Citation

Sumner, Charles. Charles Sumner: His Complete Works, Volume 15 (of 20).

Warning: These citations may not always be 100% accurate.