Cita APA

Giorgi, E. E. S., Baume, G. L., Vázquez, R. Á., & Feinstein, A. (2001). CCD UBVI photometry and polarimetry in the open cluster Trumpler 21. Web

Citación estilo Chicago

Giorgi, Edgard Ervar Salvador, Gustavo Luis Baume, Rubén Ángel Vázquez, and Alejandro Feinstein. CCD UBVI Photometry and Polarimetry in the Open Cluster Trumpler 21. 2001.

Cita MLA

Giorgi, Edgard Ervar Salvador, Gustavo Luis Baume, Rubén Ángel Vázquez, and Alejandro Feinstein. CCD UBVI Photometry and Polarimetry in the Open Cluster Trumpler 21. 2001.