Cita APA (7a ed.)

Clark, R. P., & Haltzel, M. H. (1987). Spain in the 1980s: The democratic transition and a new international role. Ballinger Publishing Company.

Cita Chicago Style (17a ed.)

Clark, Robert P., y Michael H. Haltzel. Spain in the 1980s: The Democratic Transition and a New International Role. Cambridge: Ballinger Publishing Company, 1987.

Cita MLA (8a ed.)

Clark, Robert P., y Michael H. Haltzel. Spain in the 1980s: The Democratic Transition and a New International Role. Ballinger Publishing Company, 1987.