WSC Q.9: What is the work of creation?
The work of creation is, God’s making all things of nothing, by the word of his power, in the space of six days, and all very good. (Gen. 1, Heb. 11:3)
WLC Q.15: What is the work of creation?
The work of creation is that wherein God did in the beginning, by the word of his power, make of nothing the world, and all things therein, for himself, within the space of six days, and all very good. (Gen. 1, Heb. 11:3, Prov. 16:4)
WCF 4.1.
It pleased God the Father, Son, and Holy Ghost, (Heb. 1:2, John 1:2–3, Gen. 1:2, Job 26:13, Job 33:4) for the manifestation of the glory of His eternal power, wisdom, and goodness, (Rom. 1:20, Jer. 10:12, Ps. 104:24, Ps. 33:5–6) in the beginning, to create, or make of nothing, the world, and all things therein whether visible or invisible, in the space of six days; and all very good. (Gen. 1, Heb. 11:3, Col. 1:16, Acts 17:24)