Cita APA (7a ed.)

Hoover, R. E., & Bahr, A. H. (1980). The Library and information manager's guide to online services. Knowledge Industry Publications.

Cita Chicago Style (17a ed.)

Hoover, Ryan E., y Alice H. Bahr. The Library and Information Manager's Guide to Online Services. White Plains, N.Y.: Knowledge Industry Publications, 1980.

Cita MLA (9a ed.)

Hoover, Ryan E., y Alice H. Bahr. The Library and Information Manager's Guide to Online Services. Knowledge Industry Publications, 1980.