Cita APA (7a ed.)

Archer, E. G. (2006). Gibraltar, identity and empire. Routledge.

Cita Chicago Style (17a ed.)

Archer, Edward G. Gibraltar, Identity and Empire. London ; New York: Routledge, 2006.

Cita MLA (8a ed.)

Archer, Edward G. Gibraltar, Identity and Empire. Routledge, 2006.