Citazione Stile APA (7a Edizione)

Gale Research Company (Detroit), Kruzas, A. T., Sullivan, L. V., Schmittroth, J., D'Aoust, R. J., Lehman, L., . . . Maxfield, D. M. (1978). Encyclopedia of information systems and services (Third edition.). Gale Research Company.

Citazione stile Chigago Style (17a edizione)

Gale Research Company (Detroit), Anthony Thomas Kruzas, Linda Varekamp Sullivan, John Schmittroth, Randa J. D'Aoust, Lisa Lehman, Doris Sears, e Doris Morris Maxfield. Encyclopedia of Information Systems and Services. Third edition. Detroit: Gale Research Company, 1978.

Citatione MLA (9a ed.)

Gale Research Company (Detroit), et al. Encyclopedia of Information Systems and Services. Third edition. Gale Research Company, 1978.