APA (7th ed.) Citation

McLellin, W. E. (2007). [Letter] To Old Friends, 22 Feb. 1872. Papers, 481-482.

Chicago Style (17th ed.) Citation

McLellin, William E. "[Letter] To Old Friends, 22 Feb. 1872." Papers 2007: 481-482.

MLA (8th ed.) Citation

McLellin, William E. "[Letter] To Old Friends, 22 Feb. 1872." Papers, 2007, pp. 481-482.