APA (7th ed.) Citation

Boyne, J. (2018). A ladder to the sky: A novel. Black Swan.

Chicago Style (17th ed.) Citation

Boyne, John. A Ladder to the Sky: A Novel. London: Black Swan, 2018.

MLA (9th ed.) Citation

Boyne, John. A Ladder to the Sky: A Novel. Black Swan, 2018.