Cita APA

Merchan, M. E., & Zandivarez, A. A. (2005). Galaxy groups in the third data release of the sloan digital sky survey.

Citación estilo Chicago

Merchan, Manuel Enrique, y Arnaldo Ariel Zandivarez. Galaxy Groups in the Third Data Release of the Sloan Digital Sky Survey. 2005.

Cita MLA

Merchan, Manuel Enrique, y Arnaldo Ariel Zandivarez. Galaxy Groups in the Third Data Release of the Sloan Digital Sky Survey. 2005.