Freeman, R. B., & ed. Inequality Around th World.
Cita Chicago Style (17a ed.)Freeman, Richard B., 与 ed. Inequality Around Th World.
Cita MLA (9a ed.)Freeman, Richard B., 与 ed. Inequality Around Th World.
警告：这些引文格式不一定是100％准确.
Cita APA (7a ed.)