CC Ādi 1.20

granthera ārambhe kari ‘maṅgalācaraṇa’
guru, vaiṣṇava, bhagavān, — tinera smaraṇa
Synonyms: 
granthera — of this book; ārambhe — in the beginning; kari — I make; maṅgala-ācaraṇa — auspicious invocation; guru — the spiritual master; vaiṣṇava — the devotees of the Lord; bhagavān — the Supreme Personality of Godhead; tinera — of these three; smaraṇa — remembering.
Translation: 
In the beginning of this narration, simply by remembering the spiritual master, the devotees of the Lord, and the Personality of Godhead, I have invoked their benedictions.