APA (7th ed.) Citation

Mullay, M., & Schlicke, P. (1993). Watford's guide to reference material (6th ed.). Library Association.

Chicago Style (17th ed.) Citation

Mullay, Marilyn, and Priscilla Schlicke. Watford's Guide to Reference Material. 6th ed. London: Library Association, 1993.

MLA (9th ed.) Citation

Mullay, Marilyn, and Priscilla Schlicke. Watford's Guide to Reference Material. 6th ed. Library Association, 1993.

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