Cita APA (7a ed.)

Cichowolski, S., Romero, G. A., Ortega, M. E., Cappa, C. E., & Vasquez, J. (2009). Unveiling the birth and evolution of the HII region Sh2-173.

Cita Chicago Style (17a ed.)

Cichowolski, Silvina, Gisela Andrea Romero, Martín Eduardo Ortega, Cristina Elisabet Cappa, y Javier Vasquez. Unveiling the Birth and Evolution of the HII Region Sh2-173. 2009.

Cita MLA (8a ed.)

Cichowolski, Silvina, et al. Unveiling the Birth and Evolution of the HII Region Sh2-173. 2009.

Precaución: Estas citas no son 100% exactas.