APA (7th ed.) Citation

London. University. Library. (1950). Accessions list: A classified catalogue. s.n.

Chicago Style (17th ed.) Citation

London. University. Library. Accessions List: A Classified Catalogue. [London]: s.n, 1950.

MLA (9th ed.) Citation

London. University. Library. Accessions List: A Classified Catalogue. s.n, 1950.