APA引文

Sheldon, B. (1994). SONG RATE AND FERTILITY IN THE CHAFFINCH.

芝加哥风格引文

Sheldon, B. SONG RATE AND FERTILITY IN THE CHAFFINCH. 1994.

MLA引文

Sheldon, B. SONG RATE AND FERTILITY IN THE CHAFFINCH. 1994.

警告：这些引文格式不一定是100％准确.