Cita APA (7a ed.)
ebrary, Inc, & Polanka, S. (2011). The no shelf required guide to e-book purchasing. ALA TechSource.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Sue Polanka. The No Shelf Required Guide to E-book Purchasing. Chicago, Ill.: ALA TechSource, 2011.
Cita MLA (9a ed.)
ebrary, Inc, y Sue Polanka. The No Shelf Required Guide to E-book Purchasing. ALA TechSource, 2011.
Precaución: Estas citas no son 100% exactas.