APA (7th ed.) Citation

Longfellow, H. W. (1900). Hyperion: A romance. Altemus.

Chicago Style (17th ed.) Citation

Longfellow, Henry Wadsworth. Hyperion: A Romance. Philadelphia: Altemus, 1900.

MLA (9th ed.) Citation

Longfellow, Henry Wadsworth. Hyperion: A Romance. Altemus, 1900.