Clarifying the types of Ihram; and that it is permissible to perfom Hajj that is Ifrad, Tamattu and Qiran. It is permissible to join Hajj to Umrah. And when the pilgrim who is performing Qiran should exit Ihram Sahih Muslim 1211 u

Arabic hadith text
وَحَدَّثَنَاهُ سُوَيْدُ بْنُ سَعِيدٍ، عَنْ عَلِيِّ بْنِ مُسْهِرٍ، عَنِ الأَعْمَشِ، عَنْ إِبْرَاهِيمَ، عَنِ الأَسْوَدِ، عَنْ عَائِشَةَ، - رضى الله عنها - قَالَتْ خَرَجْنَا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم نُلَبِّي لاَ نَذْكُرُ حَجًّا وَلاَ عُمْرَةً ‏.‏ وَسَاقَ الْحَدِيثَ بِمَعْنَى حَدِيثِ مَنْصُورٍ
Translation
'A'isha (Allah be pleased, with her) reported

We went out with the Messenger of Allah (ﷺ) pronouncing Talbiya having no explicit intention of Pilgrimage or 'Umra. The rest of the hadith is the same.