APA način citiranja

Polanka, S. (2011). No shelf required: E-books in libraries. Ess Ess Publications.

Čikaški stil citiranja

Polanka, Sue. No Shelf Required: E-books in Libraries. New Delhi: Ess Ess Publications, 2011.

MLA način citiranja

Polanka, Sue. No Shelf Required: E-books in Libraries. Ess Ess Publications, 2011.