Cita APA (7a ed.)

Friedrich, C. J. (1959). Puerto Rico, middle road to freedom: Fuero fundamental. Rinehart & Company.

Cita Chicago Style (17a ed.)

Friedrich, Carl J. Puerto Rico, Middle Road to Freedom: Fuero Fundamental. New York: Rinehart & Company, 1959.

Cita MLA (9a ed.)

Friedrich, Carl J. Puerto Rico, Middle Road to Freedom: Fuero Fundamental. Rinehart & Company, 1959.