Cita APA (7a ed.)

Perez, M. J., Tissera, P. B., Padilla, N., Alonso, M. S., & Lambas, D. G. (2009). Global environmental effects versus galaxy interactions.

Cita Chicago Style (17a ed.)

Perez, María Josefa, Patricia Beatriz Tissera, N. Padilla, M. S. Alonso, y D. G. Lambas. Global Environmental Effects Versus Galaxy Interactions. 2009.

Cita MLA (8a ed.)

Perez, María Josefa, et al. Global Environmental Effects Versus Galaxy Interactions. 2009.