The "Bookmarklet," a special link that saves items directly to your Zotero account on the web. Open zotero.org/downloadbookmarklet in Safari and bookmark it. Then, click “iPhone/iPad” and copy the code from the text box on the page.
Edit the bookmark you just created. Then change the bookmark name to "Save to Zotero".
Paste the code from the text box as the URL for the bookmark.
When you're on a page with a citation, select the Save to Zotero bookmark. The iPad browser will save the citation directly to your Zotero library online.
Using your Zotero login you can access your saved citations and references from the PaperShip app, as well as any any computer on which Zotero is installed.
To ensure that your PaperShip library is being synced with Zotero.org (in the 'cloud'):