Cita APA (7a ed.)

Hirsh, S. (2015). Information services today: An introduction. Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Hirsh, Sandra. Information Services Today: An Introduction. Lanham: Rowman & Littlefield, 2015.

Cita MLA (8a ed.)

Hirsh, Sandra. Information Services Today: An Introduction. Rowman & Littlefield, 2015.

Precaución: Estas citas no son 100% exactas.