Cita APA

League of Nations. (1926). The official vital statistics of the Republic of Portugal. [s.n.].

Citación estilo Chicago

League of Nations. The Official Vital Statistics of the Republic of Portugal. Geneva: [s.n.], 1926.

Cita MLA

League of Nations. The Official Vital Statistics of the Republic of Portugal. [s.n.], 1926.

Warning: These citations may not always be 100% accurate.