APA (7th ed.) Citation

Parker, R. B. (2011). Sixkill: A Spencer novel. G. P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Parker, Robert B. Sixkill: A Spencer Novel. New York: G. P. Putnam's Sons, 2011.

MLA (8th ed.) Citation

Parker, Robert B. Sixkill: A Spencer Novel. G. P. Putnam's Sons, 2011.

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