Cita APA (7th ed.)

Puerto Rico. Bureau of Labor Statistics, Jaffe, A. J., & Ortiz, E. F. d. (1952). Results of tests on measuring underemployment in Puerto Rico, June and July 1952. s.n.

Cita Chicago (17th ed.)

Puerto Rico. Bureau of Labor Statistics, Abram J. Jaffe, i Elydia Fort de Ortiz. Results of Tests on Measuring Underemployment in Puerto Rico, June and July 1952. [San Juan]: s.n, 1952.

Cita MLA (9th ed.)

Puerto Rico. Bureau of Labor Statistics, et al. Results of Tests on Measuring Underemployment in Puerto Rico, June and July 1952. s.n, 1952.