The newspaper cited reports that the company tried to make contact with the thieves.

The newspaper cited unidentified past and present American Government officials as the basis of its report.

The newspaper cited two unidentified sources for its report.

The newspaper also cited his lack of international experience for his subdued performance.

The newspaper cited unnamed sources familiar with the investigation.

Both newspapers cited what they said were well-placed sources for their reports, but did not identify them.

The newspaper cited no source or facts to back its assertions.

The newspaper also cited two incidents of research fraud and sexual misconduct.

The newspaper cited examples of prominent blacks who had been denied membership.

The newspaper did not cite its sources for the information.