APA引文

MacMullen, R. (2014). Why do we do what we do?: Motivation in history and the social sciences. De Gruyter Open.

芝加哥风格引文

MacMullen, Ramsay. Why Do We Do What We Do?: Motivation in History and the Social Sciences. Warsaw, [Poland] ; Berlin, [Germany]: De Gruyter Open, 2014.

MLA引文

MacMullen, Ramsay. Why Do We Do What We Do?: Motivation in History and the Social Sciences. De Gruyter Open, 2014.

警告：这些引文格式不一定是100％准确.