Brihat Parashara Hora Shastra
तृतीये षष्ठभे ताभ्यां पापग्रहयुतेक्षिते । जातो राजा भवेदेवं मिश्रे मिश्रफलं वदेत् ॥ १०॥
Similarly malefics in the 3rd and 6th from Lagn‟s Lord, or from Atma Karak Rāśi will make one a king.
english translation
tRtIye SaSThabhe tAbhyAM pApagrahayutekSite । jAto rAjA bhavedevaM mizre mizraphalaM vadet ॥ 10॥
hk transliteration by Sanscript