Cita APA (7a ed.)

(1961). Flags of all nations. Her Majesty's Stationery Office.

Cita Chicago Style (17a ed.)

Flags of All Nations. [S.l.]: Her Majesty's Stationery Office, 1961.

Cita MLA (9a ed.)

Flags of All Nations. Her Majesty's Stationery Office, 1961.