CC Madhya 20.291
sṛṣṭi-sthiti-pralayera tinera adhikāra
brahmā — Lord Brahmā; viṣṇu — Lord Viṣṇu; śiva — Lord Śiva; tāṅra — of Garbhodakaśāyī Viṣṇu; guṇa-avatāra — incarnations of the material qualities; sṛṣṭi-sthiti-pralayera — of the three functions, namely creation, maintenance and dissolution; tinera adhikāra — there is control by the three deities (Lord Brahmā, Lord Viṣṇu and Lord Śiva).
“Brahmā, Viṣṇu and Śiva are His three incarnations of the material qualities. Creation, maintenance and destruction respectively are under the charge of these three personalities.