Cita APA (7th ed.)
Tierney, S. (2008). Searching: A research guide for writers. Writers Institute.
Cita Chicago (17th ed.)
Tierney, Susan. Searching: A Research Guide for Writers. West Redding, CT: Writers Institute, 2008.
Cita MLA (9th ed.)
Tierney, Susan. Searching: A Research Guide for Writers. Writers Institute, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.