APA (7th ed.) Citation

McKinley, W., & Bonsall, A. E. (1879). Letter, 13 July 1879, to A.E. Bonsall.

Chicago Style (17th ed.) Citation

McKinley, William, and A. E. Bonsall. Letter, 13 July 1879, to A.E. Bonsall. 1879.

MLA (8th ed.) Citation

McKinley, William, and A. E. Bonsall. Letter, 13 July 1879, to A.E. Bonsall. 1879.

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