Shiva Purana
एतदावृत्त्य चान्योन्यमष्टौ प्रकृतयः स्थिताः ॥ सृष्टिपालनविध्वंसकर्मकर्त्र्यो द्विजोत्तमाः ॥ ३६ ॥
O excellent brahmins, eight Prakṛtis, the causes of creation, sustenance and destruction are stationed covering each of these.
english translation
etadAvRttya cAnyonyamaSTau prakRtayaH sthitAH ॥ sRSTipAlanavidhvaMsakarmakartryo dvijottamAH ॥ 36 ॥
hk transliteration by Sanscript