APA (7th ed.) Citation

Lincoln, A. (1990). The Emancipation Proclamation. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lincoln, Abraham. The Emancipation Proclamation. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Lincoln, Abraham. The Emancipation Proclamation. Project Gutenberg, 1990.

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