APA (7th ed.) Citation

Kowal, M. R. (2013). Without a summer. Tor.

Chicago Style (17th ed.) Citation

Kowal, Mary Robinette. Without a Summer. New York, NY: Tor, 2013.

MLA (8th ed.) Citation

Kowal, Mary Robinette. Without a Summer. Tor, 2013.

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