APA
Gelpí G. A., . (2017). The constitutional evolution of Puerto Rico and other U.S. territories (1898-present). : Inter American University, Metropolitan Campus.
Chicago
Gelpí Gustavo A, . 2017. The constitutional evolution of Puerto Rico and other U.S. territories (1898-present). : Inter American University, Metropolitan Campus.
Harvard
Gelpí G. A., . (2017). The constitutional evolution of Puerto Rico and other U.S. territories (1898-present). : Inter American University, Metropolitan Campus.
MLA
Gelpí Gustavo A, . The constitutional evolution of Puerto Rico and other U.S. territories (1898-present). : Inter American University, Metropolitan Campus. 2017.