وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ عَامِرِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، عَنْ عَمْرِو بْنِ سُلَيْمٍ الزُّرَقِيِّ، عَنْ أَبِي قَتَادَةَ الأَنْصَارِيِّ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَرْكَعْ رَكْعَتَيْنِ قَبْلَ أَنْ يَجْلِسَ ‏"‏ ‏.‏

Yahya related to me from Malik from Amir ibn Abdullah ibn az-Zubayr from Amr ibn Sulaymaz-Zuraqi from Abu Qatadaal-Ansari that theMessenger of Allah, may Allah bless him and grant him peace, said,"When you enter the mosque, you should pray two rakas before you sitdown." Translation Not Available

Book Ref: Muwatta Imam Malik Book 9 Hadith 391
Web Ref:  Muwatta Imam Malik Book 9 Hadith 60