Cita APA (7a ed.)

Ortega, L., Arroyo, L., & Plaza, C. (2010). Spanish administrative law under European influence. Europa Law.

Cita Chicago Style (17a ed.)

Ortega, Luis, Luis Arroyo, y Carmen Plaza. Spanish Administrative Law Under European Influence. Groningen: Europa Law, 2010.

Cita MLA (9a ed.)

Ortega, Luis, et al. Spanish Administrative Law Under European Influence. Europa Law, 2010.