APA (7th ed.) Citation

(2016). Summary of Capital in the twenty-first century by Thomas Piketty: = Capital in the twenty-first century. Instaread.

Chicago Style (17th ed.) Citation

Summary of Capital in the Twenty-first Century by Thomas Piketty: = Capital in the Twenty-first Century. [Cork, Ireland?]: Instaread, 2016.

MLA (9th ed.) Citation

Summary of Capital in the Twenty-first Century by Thomas Piketty: = Capital in the Twenty-first Century. Instaread, 2016.