APA Edition Citation

British Standards Institution. (1961). Universal decimal classification: B S 1000A (3rd ed.).

Chicago Edition Citation

British Standards Institution. Universal Decimal Classification: B S 1000A. 3rd ed. 1961.

MLA Edition Citation

British Standards Institution. Universal Decimal Classification: B S 1000A. 3rd ed. 1961.

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