Complex sentence: Wright (1940), 196 n.59 Melville's imitations of certain distinct styles is responsible for this, with as his three most important sources, in order: the Bible, Shakespeare, and Milton.
Split into simpler sentences: Wright (1940), 196 n.59 Melville's imitations of certain distinct styles is responsible for this. His three most important sources are, in order: the Bible, Shakespeare, and Milton.