Brihat Parashara Hora Shastra
स्वांशे तत्पञ्चमे वाऽपि चन्द्रेज्याभ्यां च ग्रन्थकृत् । शुक्रेण किञ्चिदूनोऽसौ ततोऽप्यल्पो बुधेन च ॥ ४१॥
Effects of Karakāńś and the 5th from there. If Guru and Candr are in Karakāńś, or the 5th thereof, the native will be an author.
english translation
svAMze tatpaJcame vA'pi candrejyAbhyAM ca granthakRt । zukreNa kiJcidUno'sau tato'pyalpo budhena ca ॥ 41॥
hk transliteration by Sanscript