Cita APA (7a ed.)

Ray, T. H., & Hawthorne, P. (1993). Librarian job descriptions in ARL libraries: A SPEC kit. Association of Research Libraries, Office of Management Services.

Cita Chicago Style (17a ed.)

Ray, Tom H., y Pat Hawthorne. Librarian Job Descriptions in ARL Libraries: A SPEC Kit. Washington, DC: Association of Research Libraries, Office of Management Services, 1993.

Cita MLA (8a ed.)

Ray, Tom H., y Pat Hawthorne. Librarian Job Descriptions in ARL Libraries: A SPEC Kit. Association of Research Libraries, Office of Management Services, 1993.