Hadith #4553 (Sunan Abi Dawud)
Book: Types of Blood-Wit (Kitab Al-Diyat)
Narrator(s): Abu Da'ud أبو داود السجستاني الأزدي, al-Qasim bin Salam القاسم بن سلام, Muhammad bin 'Abdullah bin Qahzad محمد بن عبد الله بن قهزاد, Muhammad bin al-Muthna - al-Zaman محمد بن المثنى أبو موسى - الزمن, Qatada قتادة, Sa'id bin Abi Sa'id, Sa'id ibn al-Musayyib سعيد بن المسيب بن حزن أبو محمد القرشي, Zayd ibn Thabit
Grade: Da'if

The bloodwit for what resembled intentional murder should be forty pregnant she-camels in their fifth year, thirty she-camels in their fourth year, and thirty she-camels in their third year. The bloodwit for unintentional murder is thirty she-camels in their fourth year, thirty she-camels in their third year, and twenty she-camels in their second year.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4553/