APA (7th ed.) Citation

King, M. L., Jr. (1999). "I Have a Dream" Speech. Project Gutenberg.

Chicago Style (17th ed.) Citation

King, Martin Luther, Jr. "I Have a Dream" Speech. Project Gutenberg, 1999.

MLA (9th ed.) Citation

King, Martin Luther, Jr. "I Have a Dream" Speech. Project Gutenberg, 1999.

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