APA引文

Sumit Roy. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.

Chicago Edition Citation

Sumit Roy. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi: Sage Publications, 1990.

MLA引文

Sumit Roy. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.

警告：这些引文格式不一定是100％准确.