Sunan an-Nasa'i, Hadith 464 ⓘ
It was narrated that Jabir said: "The Messenger of Allah said: 'There is nothing between a person and disbelief except abandoning Salah.'"
أَخْبَرَنَا أَحْمَدُ بْنُ حَرْبٍ، حَدَّثَنَا مُحَمَّدُ بْنُ رَبِيعَةَ، عَنِ ابْنِ جُرَيْجٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لَيْسَ بَيْنَ الْعَبْدِ وَبَيْنَ الْكُفْرِ إِلاَّ تَرْكُ الصَّلاَةِ " .
also referenced under: Book 5, Hadith 17 (In-Book) & Volume 1, Book 5, Hadith 465 (DarusSalam)