APA引文

Charles Darwin. (1885). The variation of animals and plants. Daya Publishing house.

Chicago Edition Citation

Charles Darwin. The Variation of Animals and Plants. Delhi: Daya Publishing house, 1885.

MLA引文

Charles Darwin. The Variation of Animals and Plants. Daya Publishing house, 1885.

警告：這些引文格式不一定是100％准確.