APA (7th ed.) Citation

Keene, C. (1982). The sinister omen. Pocket Books.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Sinister Omen. New York: Pocket Books, 1982.

MLA (9th ed.) Citation

Keene, Carolyn. The Sinister Omen. Pocket Books, 1982.

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