Cita APA (7a ed.)

Philippines (Republic). Bureau of the Census and Statistics. (1950). Foreign trade and navigation of the Philippines. [s.n.].

Cita Chicago Style (17a ed.)

Philippines (Republic). Bureau of the Census and Statistics. Foreign Trade and Navigation of the Philippines. Manila: [s.n.], 1950.

Cita MLA (9a ed.)

Philippines (Republic). Bureau of the Census and Statistics. Foreign Trade and Navigation of the Philippines. [s.n.], 1950.