Cita APA (7th ed.)
Carlson, S. (Jun 28, 2002). Service Offers Easy Way to Get Answers to Reference Questions. The Chronicle of Higher Education.
Cita Chicago (17th ed.)
Carlson, Scott. "Service Offers Easy Way to Get Answers to Reference Questions." The Chronicle of Higher Education Jun 28, 2002.
Cita MLA (9th ed.)
Carlson, Scott. "Service Offers Easy Way to Get Answers to Reference Questions." The Chronicle of Higher Education, Jun 28, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.