Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Elspeth Rostow:

"

While teaching at Barnard in 1939, she was among the founders of American studies as an academic discipline and later authored the book, "European Economic Reconstruction" (1948). During World War II, she worked for the Office of Strategic Services in Washington, analyzing dispatches from the French Resistance. She had met Walt Rostow at a Paris seminar in 1937. After their marriage a decade later, the couple lived in Geneva for three years.