Style de citation APA (7e éd.)

Walford, A. J. (1980). Walford's guide to reference material. Library Association.

Style de citation Chicago (17e éd.)

Walford, Albert John. Walford's Guide to Reference Material. London: Library Association, 1980.

Style de citation MLA (9e éd.)

Walford, Albert John. Walford's Guide to Reference Material. Library Association, 1980.