APA (7th ed.) Citation

(1955). Flags of all nations. Her Majesty's stationery office.

Chicago Style (17th ed.) Citation

Flags of All Nations. London: Her Majesty's stationery office, 1955.

MLA (8th ed.) Citation

Flags of All Nations. Her Majesty's stationery office, 1955.

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