Cita APA (7a ed.)

Huffman, W. E., & Evenson, R. E. (2006). Science for agriculture: A long-term perspective (2nd ed.). Blackwell Pub.

Cita Chicago Style (17a ed.)

Huffman, Wallace E., y Robert E. Evenson. Science for Agriculture: A Long-term Perspective. 2nd ed. Ames, Iowa: Blackwell Pub, 2006.

Cita MLA (9a ed.)

Huffman, Wallace E., y Robert E. Evenson. Science for Agriculture: A Long-term Perspective. 2nd ed. Blackwell Pub, 2006.