APA Edition Citation

Atherton P. (1961). Universal Decimal Classification English Abridged edition 1961 (Photocopy) (3.). British standards Institution.

Chicago Edition Citation

Atherton P. Universal Decimal Classification English Abridged Edition 1961 (Photocopy). 3. London: British standards Institution, 1961.

MLA Edition Citation

Atherton P. Universal Decimal Classification English Abridged Edition 1961 (Photocopy). 3. British standards Institution, 1961.

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