Citazione Stile APA (7a Edizione)

Westlake, D. R., & Clarke, J. E. (1987). Geac: A guide for librarians and systems managers. Gower.

Citazione stile Chigago Style (17a edizione)

Westlake, Duncan R., e John E. Clarke. Geac: A Guide for Librarians and Systems Managers. Aldershot, Hants, England: Gower, 1987.

Citatione MLA (9a ed.)

Westlake, Duncan R., e John E. Clarke. Geac: A Guide for Librarians and Systems Managers. Gower, 1987.