From him, from Al-Hasan, from Zur'ah, from Sama'ah who said:
Abu Abdillah عليه السلام, peace be upon him, said: "When you recite a verse of prostration, then prostrate, and do not say the Takbir until you lift your head."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 316