Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/31/4

अन्वेषणपरस्तस्याः किष्किन्धाख्यां पुरीमगात् ।। सुग्रीवहितकृद्भूत्वा वालिनं संजघान ह ।। ४ ।।

sanskrit

Searching for her, Rāma went to the city called Kiṣkindhā. Having alliance with Sugrīva for his benefit he killed Bāli.

english translation

anveSaNaparastasyAH kiSkindhAkhyAM purImagAt || sugrIvahitakRdbhUtvA vAlinaM saMjaghAna ha || 4 ||

hk transliteration by Sanscript