APA (7th ed.) Citation

Siess, J. A. (2001). The OPL Sourcebook: A Guide for Solo and Small Libraries.

Chicago Style (17th ed.) Citation

Siess, Judith A. The OPL Sourcebook: A Guide for Solo and Small Libraries. 2001.

MLA (9th ed.) Citation

Siess, Judith A. The OPL Sourcebook: A Guide for Solo and Small Libraries. 2001.

Warning: These citations may not always be 100% accurate.