APA (7th ed.) Citation

Hart, R. E., Bamford, S. P., Casteels, K. R., Kruk, S. J., Lintott, C. J., & Masters, K. L. (2017). Galaxy Zoo: Star formation versus spiral arm number. Oxford University Press.

Chicago Style (17th ed.) Citation

Hart, Ross E., Steven P. Bamford, Kevin R.V Casteels, Sandor J. Kruk, Chris J. Lintott, and Karen L. Masters. Galaxy Zoo: Star Formation Versus Spiral Arm Number. Oxford University Press, 2017.

MLA (9th ed.) Citation

Hart, Ross E., et al. Galaxy Zoo: Star Formation Versus Spiral Arm Number. Oxford University Press, 2017.