Asaṅkhatasaṅyutta

Suttapiṭaka · Saṁyuttanikāya · Saḷāyatanavaggasaṁyutta · Vol. 18 · Section 677

[677] And what, bhikkhus, is the path leading to the unconditioned (asaṅkhata)? Emptiness concentration (suññato samādhi), signless concentration (animitto samādhi), undirected concentration (appaṇihito samādhi). This, bhikkhus, is called the path leading to the unconditioned.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

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