APA

Babín Cortés M. T., . (1971). The Puerto Ricans spirit: their history, life, and culture. New York: Collier Books.

Chicago

Babín Cortés María Teresa, . 1971. The Puerto Ricans spirit: their history, life, and culture. New York: Collier Books.

Harvard

Babín Cortés M. T., . (1971). The Puerto Ricans spirit: their history, life, and culture. New York: Collier Books.

MLA

Babín Cortés María Teresa, . The Puerto Ricans spirit: their history, life, and culture. New York: Collier Books. 1971.