Cita APA (7th ed.)

Barr, K., & Line, M. (1975). Essays on information and libraries. C. Bingley.

Cita Chicago (17th ed.)

Barr, Keith, i Maurice Line. Essays on Information and Libraries. London: C. Bingley, 1975.

Cita MLA (9th ed.)

Barr, Keith, i Maurice Line. Essays on Information and Libraries. C. Bingley, 1975.