Piketty, Thomas. "Frontmatter". Capital in the Twenty-First Century, Cambridge, MA and London, England: Harvard University Press, 2014, pp. i-iv. https://doi.org/10.4159/9780674369542-fm
Piketty, T. (2014). Frontmatter. In Capital in the Twenty-First Century (pp. i-iv). Cambridge, MA and London, England: Harvard University Press. https://doi.org/10.4159/9780674369542-fm
Piketty, T. 2014. Frontmatter. Capital in the Twenty-First Century. Cambridge, MA and London, England: Harvard University Press, pp. i-iv. https://doi.org/10.4159/9780674369542-fm
Piketty, Thomas. "Frontmatter" In Capital in the Twenty-First Century, i-iv. Cambridge, MA and London, England: Harvard University Press, 2014. https://doi.org/10.4159/9780674369542-fm
Piketty T. Frontmatter. In: Capital in the Twenty-First Century. Cambridge, MA and London, England: Harvard University Press; 2014. p.i-iv. https://doi.org/10.4159/9780674369542-fm