Muwatta Malik 15

حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ مَنْ أَدْرَكَ رَكْعَةً مِنَ الصَّلاَةِ فَقَدْ أَدْرَكَ الصَّلاَةَ ‏"‏ ‏.‏

Yahya related to me from Malik from Ibn Shihab from Abu Salama ibn Abdar-Rahman from Abu Hurayra that the Messenger of Allah, may Allah bless him and grant him peace, said "Whoever catches a raka of the prayer has caught the prayer

Reference

Muwatta Malik 15

In-book

Book 1, Hadith 15