Cita APA (7a ed.)

(1952). Social security in the central american countries: I, Social security seminar (San José, Costa Rica, 15-25 January 1951). International Labour Organization.

Cita Chicago Style (17a ed.)

Social Security in the Central American Countries: I, Social Security Seminar (San José, Costa Rica, 15-25 January 1951). International Labour Organization, 1952.

Cita MLA (9a ed.)

Social Security in the Central American Countries: I, Social Security Seminar (San José, Costa Rica, 15-25 January 1951). International Labour Organization, 1952.