One verse

Srimad Bhagavatam 11.11.46

11.11.46

धिष्ण्येष्वित्येषु मद्रूपं शङ्खचक्रगदाम्बुजै: । युक्तं चतुर्भुजं शान्तं ध्यायन्नर्चेत्समाहित: ॥ ४६ ॥

dhiṣṇyeṣv ity eṣu mad-rūpaṁ śaṅkha-cakra-gadāmbujaiḥ yuktaṁ catur-bhujaṁ śāntaṁ dhyāyann arcet samāhitaḥ

dhiṣṇyeṣu
in the previously mentioned places of worship
iti
thus (by the previously mentioned processes)
eṣu
in them
mat-rūpam
My transcendental form
śaṅkha
with the conchshell
cakra
Sudarśana disc
gadā
club
ambujaiḥ
and lotus flower
yuktam
equipped
catuḥ-bhujam
with four arms
śāntam
peaceful
dhyāyan
meditating
arcet
one should worship
samāhitaḥ
with complete attention

Thus, in the previously mentioned places of worship and according to the processes I have described, one should meditate on My peaceful, transcendental form with four arms holding a conchshell, Sudarśana disc, club and lotus flower. In this way, one should worship Me with fixed attention.