Cita APA (7a ed.)

Baume, G., Vázquez, R. Á., & Carraro, G. (2004). The young open cluster Markarian 50.

Cita Chicago Style (17a ed.)

Baume, Gustavo, Rubén Ángel Vázquez, y Giovanni Carraro. The Young Open Cluster Markarian 50. 2004.

Cita MLA (8a ed.)

Baume, Gustavo, et al. The Young Open Cluster Markarian 50. 2004.