APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Hirsh, Sandra. Information Services Today: An Introduction. Online-Ausg. Lanham ; Boulder ; New York ; London: Rowman & Littlefield, 2015.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.