APA (7th ed.) Citation

(1971). World guide to abbreviations of organizations. Blackie.

Chicago Style (17th ed.) Citation

World Guide to Abbreviations of Organizations. Bishopbriggs, Glasgow [u.a.]: Blackie, 1971.

MLA (9th ed.) Citation

World Guide to Abbreviations of Organizations. Blackie, 1971.

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