APA (7th ed.) Citation

Hansen, M. (1953). Puerto Rico: A study in democratic development. American Academy of Political and Social Science.

Chicago Style (17th ed.) Citation

Hansen, Millard. Puerto Rico: A Study in Democratic Development. Philadelphia: American Academy of Political and Social Science, 1953.

MLA (9th ed.) Citation

Hansen, Millard. Puerto Rico: A Study in Democratic Development. American Academy of Political and Social Science, 1953.