Hadith 196:2
Waki' narrated to us, 'Isam bin Qudamah narrated to us, from Malik bin Numayr al-Khuza'i, from his father, who said: "I saw the Messenger of Allah, may Allah bless him and grant him peace, placing his right hand upon his right thigh in prayer, gesturing with his finger."
حدثنا وكيع، حدثنا عصام بن قدامة، عن مالك بن نمير الخزاعي، عن أبيه، قال: " رأيت رسول الله صلى الله عليه وسلم واضعا يده اليمنى على فخذه اليمنى في الصلاة، يشير بأصبعه "