APA (7th ed.) Citation

McKinley, W., & Richardson, J. D. (2004). Compilation of the Messages and Papers of the Presidents William McKinley, Messages, Proclamations, and Executive Orders Relating to the Spanish-American War. Project Gutenberg.

Chicago Style (17th ed.) Citation

McKinley, William, and James D. Richardson. Compilation of the Messages and Papers of the Presidents William McKinley, Messages, Proclamations, and Executive Orders Relating to the Spanish-American War. Project Gutenberg, 2004.

MLA (9th ed.) Citation

McKinley, William, and James D. Richardson. Compilation of the Messages and Papers of the Presidents William McKinley, Messages, Proclamations, and Executive Orders Relating to the Spanish-American War. Project Gutenberg, 2004.

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