APA (7th ed.) Citation

Turtledove, H. (2005). Bridge of the Separator. Baen Books.

Chicago Style (17th ed.) Citation

Turtledove, Harry. Bridge of the Separator. Riverdale, NY: Baen Books, 2005.

MLA (9th ed.) Citation

Turtledove, Harry. Bridge of the Separator. Baen Books, 2005.