Παραπομπή σε μορφή APA (7η εκδ.)

Hamilton, B. A., & Brown, E. R. (1973). Libraries and information centers in the Chicago metropolitan area. Illinois Regional Library Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hamilton, Beth A., και Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Hinsdale: Illinois Regional Library Council, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hamilton, Beth A., και Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Illinois Regional Library Council, 1973.