Cita APA

Riggs, D. E. (1988). Libraries in the '90s: What the leaders expect. Oryx Press.

Citación estilo Chicago

Riggs, Donald E. Libraries in the '90s: What the Leaders Expect. Phoenix, Ariz: Oryx Press, 1988.

Cita MLA

Riggs, Donald E. Libraries in the '90s: What the Leaders Expect. Oryx Press, 1988.