Cita APA (7a ed.)

Piatti, A., Clariá, J., Parisi, M., & Ahumada, A. Ruprecht 1: A small, moderately young open cluster in the third galactic quadrant.

Cita Chicago Style (17a ed.)

Piatti, A.E, J.J Clariá, M.C Parisi, y A.V Ahumada. Ruprecht 1: A Small, Moderately Young Open Cluster in the Third Galactic Quadrant.

Cita MLA (8a ed.)

Piatti, A.E, et al. Ruprecht 1: A Small, Moderately Young Open Cluster in the Third Galactic Quadrant.