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 Dactylic hexameter:

"

Most lines (about 85% in Virgil)[citation needed] have a caesura or word division after the first syllable of the 3rd foot, as above ca/nō. Because of the penultimate accent in Latin, this ensures that the word accent and meter will not coincide in the 3rd foot. But in those lines with a feminine or weak caesura, such as the following, there is inevitably a coincidence of meter and accent in the 3rd foot[2]: 98 :