APA (7th ed.) Citation

Piketty, T., Goldhammer, A., Koçak, H., & Berktay, A. (2014). Capital in the twenty-first century. The Belknap Press of Harvard University Press.

Chicago Style (17th ed.) Citation

Piketty, Thomas, Arthur Goldhammer, Hande Koçak, and Ali Berktay. Capital in the Twenty-first Century. Cambridge Massachusetts: The Belknap Press of Harvard University Press, 2014.

MLA (9th ed.) Citation

Piketty, Thomas, et al. Capital in the Twenty-first Century. The Belknap Press of Harvard University Press, 2014.