APA

Dorvillier W. J., . (1962). Workshop, U. S. A: the challenge of Puerto Rico. New York: Coward-McCann.

Chicago

Dorvillier William J, . 1962. Workshop, U. S. A: the challenge of Puerto Rico. New York: Coward-McCann.

Harvard

Dorvillier W. J., . (1962). Workshop, U. S. A: the challenge of Puerto Rico. New York: Coward-McCann.

MLA

Dorvillier William J, . Workshop, U. S. A: the challenge of Puerto Rico. New York: Coward-McCann. 1962.