APA (7th ed.) Citation

Gt. Britain Central Office of Information. (1963). The Colombo Plan. Central Office of Information.

Chicago Style (17th ed.) Citation

Gt. Britain Central Office of Information. The Colombo Plan. London: Central Office of Information, 1963.

MLA (9th ed.) Citation

Gt. Britain Central Office of Information. The Colombo Plan. Central Office of Information, 1963.

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