APA引文

Beetham, D. (1994). Defining and measuring democracy. Sage.

芝加哥风格引文

Beetham, David. Defining and Measuring Democracy. London: Sage, 1994.

MLA引文

Beetham, David. Defining and Measuring Democracy. Sage, 1994.

警告：这些引文格式不一定是100％准确.