APA (7th ed.) Citation

Keenan, H. F. (1886). The aliens: A novel. D. Appleton.

Chicago Style (17th ed.) Citation

Keenan, Henry F. The Aliens: A Novel. New York: D. Appleton, 1886.

MLA (9th ed.) Citation

Keenan, Henry F. The Aliens: A Novel. D. Appleton, 1886.

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