Cita APA

Hanson, E. P. (1960). Transformation: The story of modern Puerto Rico, a colony that became free. New York: Polular Library.

Citación estilo Chicago

Hanson, Earl Parker. Transformation: The Story of Modern Puerto Rico, a Colony That Became Free. New York: Polular Library, 1960.

Cita MLA

Hanson, Earl Parker. Transformation: The Story of Modern Puerto Rico, a Colony That Became Free. New York: Polular Library, 1960.