Chapter 9 · verse 23 · gita.yoga.org

Bhagavad Gita 9.23

येऽप्यन्यदेवता भक्ता यजन्ते श्रद्धयाऽन्विताः। तेऽपि मामेव कौन्तेय यजन्त्यविधिपूर्वकम्

Even those devotees who, endowed with faith, worship other gods, worship Me alone, O Arjuna, but by the wrong method.