APA (7th ed.) Citation

Campbell, J. (2012). Invincible (First edition.). Ace Books.

Chicago Style (17th ed.) Citation

Campbell, Jack. Invincible. First edition. New York: Ace Books, 2012.

MLA (8th ed.) Citation

Campbell, Jack. Invincible. First edition. Ace Books, 2012.

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