Cita APA (7a ed.)

Piris, J., & Merkel, A. (2010). The Lisbon Treaty: A legal and political analysis. Cambridge University Press.

Cita Chicago Style (17a ed.)

Piris, Jean-Claude, y Angela Merkel. The Lisbon Treaty: A Legal and Political Analysis. Cambridge, UK ; New York: Cambridge University Press, 2010.

Cita MLA (9a ed.)

Piris, Jean-Claude, y Angela Merkel. The Lisbon Treaty: A Legal and Political Analysis. Cambridge University Press, 2010.