APA (7th ed.) Citation

Sumner, C., & Hoar, G. F. (2014). Charles Sumner; his complete works, volume 1 (of 20) With an introduction by Hon. George Frisbie Hoar. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sumner, Charles, and George Frisbie Hoar. Charles Sumner; His Complete Works, Volume 1 (of 20) With an Introduction by Hon. George Frisbie Hoar. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Sumner, Charles, and George Frisbie Hoar. Charles Sumner; His Complete Works, Volume 1 (of 20) With an Introduction by Hon. George Frisbie Hoar. Project Gutenberg, 2014.

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