Cita APA (7th ed.)

Hirsh, S. (2022). Information services today: An introduction (Third edition.). Rowman & Littlefield.

Cita Chicago (17th ed.)

Hirsh, Sandra. Information Services Today: An Introduction. Third edition. Lanham, Maryland: Rowman & Littlefield, 2022.

Cita MLA (9th ed.)

Hirsh, Sandra. Information Services Today: An Introduction. Third edition. Rowman & Littlefield, 2022.