APA (7th ed.) Citation

Simmons, B., Lintott, C., Schawinski, K., Moran, E., Han, A., Kaviraj, S., . . . Nichol, R. (2012). Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes.

Chicago Style (17th ed.) Citation

Simmons, B., et al. Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes. 2012.

MLA (9th ed.) Citation

Simmons, B., et al. Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes. 2012.