One verse

Srimad Bhagavatam 11.3.48

11.3.48

लब्ध्वानुग्रह आचार्यात् तेन सन्दर्शितागम: । महापुरुषमभ्यर्चेन्मूर्त्याभिमतयात्मन: ॥ ४८ ॥

labdhvānugraha ācāryāt tena sandarśitāgamaḥ mahā-puruṣam abhyarcen mūrtyābhimatayātmanaḥ

labdhvā
having obtained
anugrahaḥ
mercy
ācāryāt
from the spiritual master
tena
by him
sandarśita
being shown
āgamaḥ
(the process of worship given by) the vaiṣṇava-tantras
mahā-puruṣam
the Supreme Person
abhyarcet
the disciple should worship
mūrtyā
in the particular personal form
abhimatayā
which is preferred
ātmanaḥ
by himself

Having obtained the mercy of his spiritual master, who reveals to the disciple the injunctions of Vedic scriptures, the devotee should worship the Supreme Personality of Godhead in the particular personal form of the Lord the devotee finds most attractive.