Cita APA (7a ed.)

Arias, J. I., Barbá, R. H., & Morrell, N. I. (2007). Pre-main-sequence stars in the Lagoon Nebula (M8).

Cita Chicago Style (17a ed.)

Arias, Julia Inés, Rodolfo Héctor Barbá, y Nidia Irene Morrell. Pre-main-sequence Stars in the Lagoon Nebula (M8). 2007.

Cita MLA (8a ed.)

Arias, Julia Inés, et al. Pre-main-sequence Stars in the Lagoon Nebula (M8). 2007.