APA (7th ed.) Citation

Huffman, W. E., & Evenson, R. E. Science for agriculture: Along-term perspective (2nd ed.). c2006.

Chicago Style (17th ed.) Citation

Huffman, Wallace E., and Robert E. Evenson. Science for Agriculture: Along-term Perspective. 2nd ed. Ames, Iowa (Blackwell): c2006.

MLA (8th ed.) Citation

Huffman, Wallace E., and Robert E. Evenson. Science for Agriculture: Along-term Perspective. 2nd ed. c2006.