APA (7th ed.) Citation

Wilgus, A. (2019). The knife at your back (First edition.). Tor Books.

Chicago Style (17th ed.) Citation

Wilgus, Alison. The Knife at Your Back. First edition. New York: Tor Books, 2019.

MLA (8th ed.) Citation

Wilgus, Alison. The Knife at Your Back. First edition. Tor Books, 2019.

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