APA引文

Sethi, M. (1998). Encyclopaedia of nature and environment. Discovery.

Chicago Edition Citation

Sethi, MS. Encyclopaedia of Nature and Environment. New Delhi: Discovery, 1998.

MLA引文

Sethi, MS. Encyclopaedia of Nature and Environment. Discovery, 1998.

警告：这些引文格式不一定是100％准确.