APA (7th ed.) Citation

British Library. National Preservation Office. (1998). NPO journal. National Preservation Office, The British Library.

Chicago Style (17th ed.) Citation

British Library. National Preservation Office. NPO Journal. London: National Preservation Office, The British Library, 1998.

MLA (9th ed.) Citation

British Library. National Preservation Office. NPO Journal. National Preservation Office, The British Library, 1998.

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