(34) باب التَّمَتُّعِ وَالإِقْرَانِ وَالإِفْرَادِ بِالْحَجِّ وَفَسْخِ الْحَجِّ لِمَنْ لَمْ يَكُنْ مَعَهُ هَدْى
Narrated Abu Musa:
came to the Prophet (from Yemen and was assuming Ihram for Hajj) and he ordered me to finish the Ihram (after performing the `Umra).
Reference: Sahih al-Bukhari 1565
In-book reference: Book 25, Hadith 51
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 636