APA-Zitierstil (7. Ausg.)

Johannsen, C. G. (2015). Library user metaphors and services: How librarians look at their users. De Gruyter Saur.

Chicago-Zitierstil (17. Ausg.)

Johannsen, Carl Gustav. Library User Metaphors and Services: How Librarians Look at Their Users. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter Saur, 2015.

MLA-Zitierstil (9. Ausg.)

Johannsen, Carl Gustav. Library User Metaphors and Services: How Librarians Look at Their Users. De Gruyter Saur, 2015.