APA Style

Derek, L., kevin, H. (2023). Hell Breaks Loose : Skulduggery Pleasant (Ed.1). : ‎ HarperCollinsChildren’sBooks.

MLA Style

Derek, Landy., kevin, Hely. "Hell Breaks Loose : Skulduggery Pleasant". Ed.1 : ‎ HarperCollinsChildren’sBooks, 2023. Text.