(47) باب الإِفَاضَةِ مِنْ عَرَفَاتٍ إِلَى الْمُزْدَلِفَةِ وَاسْتِحْبَابِ صَلاَتَىِ الْمَغْرِبِ وَالْعِشَاءِ جَمْعًا بِالْمُزْدَلِفَةِ فِي هَذِهِ اللَّيْلَةِ
Shu'ba reported this hadith with the same chain of transmitters and said:
He (the Holy Prophet) observed the two prayers (together) with one iqama.
Reference: Sahih Muslim 1288 c
In-book reference: Book 15, Hadith 317
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 2953