Cita APA (7th ed.)

Stern , D. (2009). Competencies for science librarians. Routledge.

Cita Chicago (17th ed.)

Stern , David. Competencies for Science Librarians. London: Routledge, 2009.

Cita MLA (9th ed.)

Stern , David. Competencies for Science Librarians. Routledge, 2009.