APA引文

Delvin, S. (2007). environmental problems and issues. Sarup.

芝加哥风格引文

Delvin, Samuel. Environmental Problems and Issues. New Delhi: Sarup, 2007.

MLA引文

Delvin, Samuel. Environmental Problems and Issues. Sarup, 2007.

警告：这些引文格式不一定是100％准确.