APA (7th ed.) Citation

Commonwealth Secretariat. (1985). Commonwealth organisations: A directory of official and unofficial organisations active in the Commonwealth (3rd ed.). Commonwealth Secretariat.

Chicago Style (17th ed.) Citation

Commonwealth Secretariat. Commonwealth Organisations: A Directory of Official and Unofficial Organisations Active in the Commonwealth. 3rd ed. London: Commonwealth Secretariat, 1985.

MLA (9th ed.) Citation

Commonwealth Secretariat. Commonwealth Organisations: A Directory of Official and Unofficial Organisations Active in the Commonwealth. 3rd ed. Commonwealth Secretariat, 1985.