Which of the following text introduces bhakti marga (the path of faith/devotion) as one of three ways to spiritual freedom and release?

The Bhagavad Gita, a post-Vedic scripture composed in 5th to 2nd century BCE, introduces bhakti marga (the path of faith/devotion) as one of three ways to spiritual freedom and release, the other two being karma marga (the path of works) and jnana marga (the path of knowledge).