APA
Enriquez J., . (2005). The untied States of America. New York: Crown.
Chicago
Enriquez Juan, . 2005. The untied States of America. New York: Crown.
Harvard
Enriquez J., . (2005). The untied States of America. New York: Crown.
MLA
Enriquez Juan, . The untied States of America. New York: Crown. 2005.