APA (7th ed.) Citation

Humphreys, K. (1988). A national library in theory and practice. British Library.

Chicago Style (17th ed.) Citation

Humphreys, K.W. A National Library in Theory and Practice. London: British Library, 1988.

MLA (9th ed.) Citation

Humphreys, K.W. A National Library in Theory and Practice. British Library, 1988.

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