Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Moksha-Sanyasa Yoga Chapter 18, Verse 18.68.
Sanskrit
य इमं परमं गुह्यं मद्भक्तेष्वभिधास्यति । भक्तिं मयि परां कृत्वा मामेवैष्यत्यसंशयः ॥ १८.६८ ॥
Hindi
जो पुरुष मुझ में परम प्रेम करके इस परम रहस्य युक्त्त गीता शास्त्र को मेरे भक्त्तों में कहेगा, वह मुझको ही प्राप्त होगा —– इसमे कोई संदेह नहीं ।
English
However O Bharata, he who preaches My divine teachings to those who show true love and devotion to Me and who, themselves, are eternally devoted to Me, in the end, they shall also become a part of Me.