بُلُوغُ الْمَرَامِ
Bulugh al-Maram 310
The Book of Prayer
وَعَنْ أَبِي هُرَيْرَةَ - رضى الله عنه - قَالَ : قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ إِذَا سَجَدَ أَحَدُكُمْ فَلَا يَبْرُكْ كَمَا يَبْرُكُ اَلْبَعِيرُ , وَلْيَضَعْ يَدَيْهِ قَبْلَ رُكْبَتَيْهِ } أَخْرَجَهُ اَلثَّلَاثَةُ . [1] وَهُوَ أَقْوَى مِنْ حَدِيثِ وَائِلٍ :
Narrated Abu Hurairah (RA): Allah's Messenger (ﷺ) said: "When one of you prostrates, he should not kneel in the manner of a camel, but should put down his hands before his knees." [Reported by ath-Thalathah]. This Hadith is more authentic than the Hadith narrated by Wa'il bin Hujr (RA).
Sunnah.com reference: Book 2, Hadith 196