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 March 1504 lunar eclipse:

"

Columbus presumably used the Calendarium from Regiomontanus. This almanac gives the time of mid-eclipse at Nuremberg, but if Columbus erroneously interpreted the listed time as that of the beginning of the partial eclipse, then his 2​12h error could be explained. One can imagine that such false evidence confirmed Columbus in his belief he had reached China, overlooking the fact that he discovered an entire unknown continent.