APA (7th ed.) Citation

Pikul, J. L., Schumacher, T. E., & Vigil, M. Nitrogen Use and Carbon Sequestered by Corn Rotations in the Northern Corn Belt, U.S. Wiley.

Chicago Style (17th ed.) Citation

Pikul, Joseph L., Thomas E. Schumacher, and Merle Vigil. Nitrogen Use and Carbon Sequestered by Corn Rotations in the Northern Corn Belt, U.S. Wiley.

MLA (9th ed.) Citation

Pikul, Joseph L., et al. Nitrogen Use and Carbon Sequestered by Corn Rotations in the Northern Corn Belt, U.S. Wiley.