Cita APA (7a ed.)

Hanson, E. P. (1955). Transformation: The story of modern Puerto Rico (1st printing.). Simon and Schuster.

Cita Chicago Style (17a ed.)

Hanson, Earl Parker. Transformation: The Story of Modern Puerto Rico. 1st printing. New York: Simon and Schuster, 1955.

Cita MLA (9a ed.)

Hanson, Earl Parker. Transformation: The Story of Modern Puerto Rico. 1st printing. Simon and Schuster, 1955.