APA (7th ed.) Citation

Márquez, I., Masegosa, J., Olmo, A., Lara, L., García Vega, E., & Molina, J. (2001). QSO Hosts and Their Environments. Springer US.

Chicago Style (17th ed.) Citation

Márquez, Isabel, Josefa Masegosa, Ascensión Olmo, Lucas Lara, Emilio García Vega, and Josefina Molina. QSO Hosts and Their Environments. Boston, MA: Springer US, 2001.

MLA (9th ed.) Citation

Márquez, Isabel, et al. QSO Hosts and Their Environments. Springer US, 2001.