Citazione Stile APA (7a Edizione)

Tibbo, H. R. (1993). Abstracting, information retrieval, and the humanities: Providing access to historical literature. American Library Association.

Citazione stile Chigago Style (17a edizione)

Tibbo, Helen R. Abstracting, Information Retrieval, and the Humanities: Providing Access to Historical Literature. Chicago: American Library Association, 1993.

Citatione MLA (9a ed.)

Tibbo, Helen R. Abstracting, Information Retrieval, and the Humanities: Providing Access to Historical Literature. American Library Association, 1993.