APA (7th ed.) Citation

Buttress, F. . . . . . . . . . . . . . . A. (1974). World guide to abbreviations of organizations (5th ed.). Leonard Hill Books.

Chicago Style (17th ed.) Citation

Buttress, F A. World Guide to Abbreviations of Organizations. 5th ed. Leighton Buzzard: Leonard Hill Books, 1974.

MLA (9th ed.) Citation

Buttress, F A. World Guide to Abbreviations of Organizations. 5th ed. Leonard Hill Books, 1974.