APA (7th ed.) Citation

Longfellow, H. The poetical works. Collins'Clear.

Chicago Style (17th ed.) Citation

Longfellow, H.W. The Poetical Works. London ; Glasgow: Collins'Clear.

MLA (9th ed.) Citation

Longfellow, H.W. The Poetical Works. Collins'Clear.

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