APA (7th ed.) Citation
Porter, M., & et al. (2016). Social Progress Index 2016. Social Progress Imperative.
Chicago Style (17th ed.) Citation
Porter, M.E, and et al. Social Progress Index 2016. Washington: Social Progress Imperative, 2016.
MLA (9th ed.) Citation
Porter, M.E, and et al. Social Progress Index 2016. Social Progress Imperative, 2016.
Warning: These citations may not always be 100% accurate.