The letter dated 21-Dec-2017.
http://cdn.cnn.com/cnn/2017/images/12/21/pelosi.letter.to.ryan.on.house.intel.investigation.pdf
From the letter.... the material is set-off in quotes.
“Political haste must not cut short valid investigatory threads,” Pelosi asserted in a letter to the Wisconsin Republican. “Key questions about foreign interference in our elections remain, and must be thoroughly investigated,” she wrote.
The citation is correct and properly marked with quotes.