Bykvist, K. (2010). Happiness in a Flux? The Instability Problem.
芝加哥风格引文Bykvist, K. Happiness in a Flux? The Instability Problem. 2010.
MLA引文Bykvist, K. Happiness in a Flux? The Instability Problem. 2010.
警告：这些引文格式不一定是100％准确.
APA引文