Cita APA (7a ed.)

Bassino, L. P., Waldhausen, S., & Martínez, R. E. (2000). CCD photometry in the region of NGC 6994: The remains of an old open cluster.

Cita Chicago Style (17a ed.)

Bassino, Lilia Patricia, Silvia Waldhausen, y Rubén Enrique Martínez. CCD Photometry in the Region of NGC 6994: The Remains of an Old Open Cluster. 2000.

Cita MLA (8a ed.)

Bassino, Lilia Patricia, et al. CCD Photometry in the Region of NGC 6994: The Remains of an Old Open Cluster. 2000.