APA (7th ed.) Citation

Gibbon, E. Index of the Project Gutenberg Works of Edward Gibbon.

Chicago Style (17th ed.) Citation

Gibbon, Edward. Index of the Project Gutenberg Works of Edward Gibbon.

MLA (9th ed.) Citation

Gibbon, Edward. Index of the Project Gutenberg Works of Edward Gibbon.

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