APA引文

Ringo, J. (2013). Under a graveyard sky. Baen.

Chicago Style (17th ed.) Citation

Ringo, John. Under a Graveyard Sky. Riverdale, NY: Baen, 2013.

MLA引文

Ringo, John. Under a Graveyard Sky. Baen, 2013.

警告：這些引文格式不一定是100％准確.