APA (7th ed.) Citation

Keel, W., Manning, A., Holwerda, B., Mezzoprete, M., Lintott, C., Schawinski, K., . . . Masters, K. (2012). Galaxy Zoo: A Catalog of Overlapping Galaxy Pairs for Dust Studies.

Chicago Style (17th ed.) Citation

Keel, W., A. Manning, B. Holwerda, M. Mezzoprete, C. Lintott, K. Schawinski, P. Gay, and K. Masters. Galaxy Zoo: A Catalog of Overlapping Galaxy Pairs for Dust Studies. 2012.

MLA (9th ed.) Citation

Keel, W., et al. Galaxy Zoo: A Catalog of Overlapping Galaxy Pairs for Dust Studies. 2012.