Citazione Stile APA (7a Edizione)

Library Association, Walford, A. J., Mullay, M., Schlicke, P., Day, A., Walsh, M., . . . Willis, S. (1999). Walford's guide to reference material (v. 1-8th ed. v. 2 & 3-7th ed.). Library Association Pub.

Citazione stile Chigago Style (17a edizione)

Library Association, A. J. Walford, Marilyn Mullay, Priscilla Schlicke, Alan Day, Michael Walsh, Anthony Chalraft, Raymond John Prytherch, e Stephen Willis. Walford's Guide to Reference Material. v. 1-8th ed. v. 2 & 3-7th ed. London: Library Association Pub, 1999.

Citatione MLA (9a ed.)

Library Association, et al. Walford's Guide to Reference Material. v. 1-8th ed. v. 2 & 3-7th ed. Library Association Pub, 1999.