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 Treaty of Lodi:

"

While lasting less than 50 years, some scholars have argued that the Treaty provided a proto-Westphalian model of an inter-city-state system (as opposed to an inter-nation-state system) following a century of incessant warfare in Northern Italy.[1][2] The Treaty functioned to temporarily institutionalize a regional balance of power in which outright warfare gave way to diplomacy.