APA (7th ed.) Citation

Cameron, W. B. (2012). A dog's purpose: A novel for humans. Pan Books.

Chicago Style (17th ed.) Citation

Cameron, W. Bruce. A Dog's Purpose: A Novel for Humans. London: Pan Books, 2012.

MLA (9th ed.) Citation

Cameron, W. Bruce. A Dog's Purpose: A Novel for Humans. Pan Books, 2012.