Scanbot - Scanbot is a mobile app that allows you to use your device's camera as a document scanner. The app is capable of scanning a large number of source materials, and it can handle QR codes as well.

Citationsy BookScanner - Scan the barcodes on the backs of books to cite them

Office Lens - Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows Phone 8. 1, Windows Phone 8, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Office Lens.

Citationsy - Citationsy is a reference tool to create citations, reference lists, and bibliographies.

Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.

Formatically EDU - A simple, beautiful, and fast citation manager for teachers