APA (7th ed.) Citation

Gibbon, E., & Milman, H. H. (2008). History of the Decline and Fall of the Roman Empire - Volume 4. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gibbon, Edward, and Henry Hart Milman. History of the Decline and Fall of the Roman Empire - Volume 4. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Gibbon, Edward, and Henry Hart Milman. History of the Decline and Fall of the Roman Empire - Volume 4. Project Gutenberg, 2008.

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