Walford's concise guide to reference material /
edited by Anthony Chalcraft and others.

APA Citation

Walford, A. J. (Albert John)., Library Association. (1992). Walford's concise guide to reference material. 2nd ed. London: Library Association.

MLA Citation

Walford, A. J. (Albert John), and Library Association. Walford's Concise Guide to Reference Material. 2nd ed. London: Library Association, 1992.

Warning: These citations may not always be complete (especially for serials).