Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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