APA (7th ed.) Citation

Robertson, J. N., Curtis, C., Rolleston, J., & Torrance, K. The dark horse.

Chicago Style (17th ed.) Citation

Robertson, James Napier, Cliff Curtis, James Rolleston, and Kirk Torrance. The Dark Horse.

MLA (8th ed.) Citation

Robertson, James Napier, et al. The Dark Horse.

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