Shiva Purana
पूजयेदुपचारैश्च मत्पदं सुलभं भवेत् । इति शास्य तथा शिष्यौ तत्रैवांऽतर्हितः शिवः ३९ ।
It will be easy for them to attain my region. Having thus instructed His disciples Śiva vanished there itself.
english translation
pUjayedupacAraizca matpadaM sulabhaM bhavet । iti zAsya tathA ziSyau tatraivAM'tarhitaH zivaH 39 ।
hk transliteration by Sanscript