From which point of view does the author, Robert Louis Stevenson, narrate Treasure Island? First, second, or third person and what is a direct example in the novel that demonstrates this?

The author, Robert Louis Stevenson, narrates Treasure Island in the first person point of view. An example that demonstrates this is the opening line of the novel:

"Squire Trelawney, Dr. Livesey, and the rest of these gentlemen having asked me to write down the whole particulars about Treasure Island from the beginning to the end, keeping nothing back but the bearings of the island, and that only because there is still treasure not yet lifted, I take up my pen in the year of grace 17—"