The Zotpress reference widget has generated an in-text shortcode for every citation I have tried so far except one, a book section. I have tried resyncing and changing the order of the author and the editor without success. The citation shows up when I browse. I have not tried other book sections so I don't know if the problem is specific to this citation, just book sections, or other types of citations. Using a manually-created shortcode for the citation works as expected.