APA (7th ed.) Citation

Jordan, R. (2003). Crossroads of twilight. An Orbit Book.

Chicago Style (17th ed.) Citation

Jordan, Robert. Crossroads of Twilight. London: An Orbit Book, 2003.

MLA (9th ed.) Citation

Jordan, Robert. Crossroads of Twilight. An Orbit Book, 2003.

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