The Sutra of Bodhisattva Ksitigarbha's Fundamental Vows is the most commonly recited sutra in Buddhist daily life. It's a Sutra which represents Great Filial Piety. It has been translated into many languages. Nowadays, in most Buddhist temples, or those Buddhist learning college, you can find this sutra ready to be your free precious gift. Kind-hearted Buddhist followers usually sponsor the printing of the Sutra and they put them at the distribution centre inside the temple or monastery.
You can also find online version of this Ksitigarbha Sutra. Here I provide you with 3 links to read the Sutra. You may also download for your daily recitation need. Just remember to treat this Sutra respectfully, especially if you intend to print. But, I still recommend that you get a ready-printed copy at the temple or monastery. This will also create a good (indirect) affinity between you and the sutra printing sponsors / those who have contribution in the printing.
Chinese version of Ksitigarbha Sutra
English version of Ksitigarbha Sutra
Vietnamese version of Ksitigarbha Sutra