Citazione APA

Mullay, M. E., & Schlicke, P. E. (1996). Walford`s guide to reference material (Ed.7.).

Stile di citazione Chicago

Mullay, Marilyn; Ed, e Priscilla; Ed Schlicke. Walford`s Guide to Reference Material. Ed.7. London, Library Association, 1996.

Citazione MLA

Mullay, Marilyn; Ed, e Priscilla; Ed Schlicke. Walford`s Guide to Reference Material. Ed.7. 1996.