Cita APA (7th ed.)

Linckels, S., & Meinel, C. (2011). E-librarian service: User-friendly semantic search in digital libraries. Springer.

Cita Chicago (17th ed.)

Linckels, Serge, i Christoph Meinel. E-librarian Service: User-friendly Semantic Search in Digital Libraries. Berlin, Heidelberg: Springer, 2011.

Cita MLA (9th ed.)

Linckels, Serge, i Christoph Meinel. E-librarian Service: User-friendly Semantic Search in Digital Libraries. Springer, 2011.