APA (7th ed.) Citation

Troll Covey, D. (2002). Usage and usability assessment: Library practices and concerns. Digital Library Federation, Council on Library and Information Resources.

Chicago Style (17th ed.) Citation

Troll Covey, Denise. Usage and Usability Assessment: Library Practices and Concerns. Washington, D.C.: Digital Library Federation, Council on Library and Information Resources, 2002.

MLA (9th ed.) Citation

Troll Covey, Denise. Usage and Usability Assessment: Library Practices and Concerns. Digital Library Federation, Council on Library and Information Resources, 2002.