एपीए उद्धरण

Herren, R. V. (2007). The science of agriculture: A biological approach. Clifton Park, NY: Thomson/Delmar Learning.

शिकागो स्टाइल उद्धरण

Herren, Ray V. The Science of Agriculture: A Biological Approach. Clifton Park, NY: Thomson/Delmar Learning, 2007.

एमएलए उद्धरण

Herren, Ray V. The Science of Agriculture: A Biological Approach. Clifton Park, NY: Thomson/Delmar Learning, 2007.