Cita APA (7th ed.)

Metcalf, K., Brown, H. F., & Ellsworth, R. E. (1971). Planning the academic library: Metcalf and Ellsworth at York. Oriel Press.

Cita Chicago (17th ed.)

Metcalf, Keyes, Harry Faulkner Brown, i Ralph E. Ellsworth. Planning the Academic Library: Metcalf and Ellsworth at York. Newscastle: Oriel Press, 1971.

Cita MLA (9th ed.)

Metcalf, Keyes, et al. Planning the Academic Library: Metcalf and Ellsworth at York. Oriel Press, 1971.