APA (7th ed.) Citation

Oswald, J. D. (2016). The obsidian throne. Penguin Books.

Chicago Style (17th ed.) Citation

Oswald, J D. The Obsidian Throne. UK: Penguin Books, 2016.

MLA (9th ed.) Citation

Oswald, J D. The Obsidian Throne. Penguin Books, 2016.

Warning: These citations may not always be 100% accurate.