APA (7th ed.) Citation

Krull, K. (2003). What really happened in Roswell? HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Krull, Kathleen. What Really Happened in Roswell? New York: HarperCollins Publishers, 2003.

MLA (9th ed.) Citation

Krull, Kathleen. What Really Happened in Roswell? HarperCollins Publishers, 2003.

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