APA citiranje

Clark, E., Krushelnick, K., Zepf, M., Tatarakis, M., Beg, F., Norreys, P., & Dangor, A. (2006). Clark et al. Reply.

Chicago Style (17th ed.) Citation

Clark, E., K. Krushelnick, M. Zepf, M. Tatarakis, F. Beg, P. Norreys, and A. Dangor. Clark Et Al. Reply. 2006.

MLA citiranje

Clark, E., et al. Clark Et Al. Reply. 2006.