APA (7th ed.) Citation

Longfellow, H. W. Index of the Project Gutenberg Works of Henry Wadsworth Longfellow.

Chicago Style (17th ed.) Citation

Longfellow, Henry Wadsworth. Index of the Project Gutenberg Works of Henry Wadsworth Longfellow.

MLA (9th ed.) Citation

Longfellow, Henry Wadsworth. Index of the Project Gutenberg Works of Henry Wadsworth Longfellow.

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