APA (7th ed.) Citation

Walford, A. J. (1998). Walford's guide to reference material (7th ed.). Library Association.

Chicago Style (17th ed.) Citation

Walford, Albert John. Walford's Guide to Reference Material. 7th ed. London: Library Association, 1998.

MLA (9th ed.) Citation

Walford, Albert John. Walford's Guide to Reference Material. 7th ed. Library Association, 1998.

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