Shiva Purana
अधोऽथोर्द्ध्वं प्रयुक्तानि भुवनानि चतुर्द्दश ॥ तयोश्शकलयोर्मध्य आकाशममृजत्प्रभुः ॥ १४॥
Fourteen worlds were created including those above and below. With the intervening space between those two pieces the lord created the ether.
english translation
adho'thorddhvaM prayuktAni bhuvanAni caturddaza ॥ tayozzakalayormadhya AkAzamamRjatprabhuH ॥ 14॥
hk transliteration by Sanscript