Cita APA (7a ed.)

Ayala, C. J., & Bernabe, R. (2007). Puerto Rico in the American Century: A History since 1898. The University of North Carolina Press.

Cita Chicago Style (17a ed.)

Ayala, Cesar J., y Rafael Bernabe. Puerto Rico in the American Century: A History Since 1898. Chapel Hill: The University of North Carolina Press, 2007.

Cita MLA (8a ed.)

Ayala, Cesar J., y Rafael Bernabe. Puerto Rico in the American Century: A History Since 1898. The University of North Carolina Press, 2007.