APA (7th ed.) Citation

James, E. L. (2011). Fifty shades darker. Vintage Books.

Chicago Style (17th ed.) Citation

James, E L. Fifty Shades Darker. Australia: Vintage Books, 2011.

MLA (9th ed.) Citation

James, E L. Fifty Shades Darker. Vintage Books, 2011.

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