Cita APA (7a ed.)
Witt, C., Cassman, K. G., Ottow, J. C. G., & Biker, U. (1998). Soil microbial biomass and nitrogen supply in an irrigated lowland rice soil as affected by crop rotation and residue management. Springer.
Cita Chicago Style (17a ed.)
Witt, C., Kenneth G. Cassman, Johannes C. G. Ottow, y Ulrich Biker. Soil Microbial Biomass and Nitrogen Supply in an Irrigated Lowland Rice Soil as Affected by Crop Rotation and Residue Management. Springer, 1998.
Cita MLA (9a ed.)
Witt, C., et al. Soil Microbial Biomass and Nitrogen Supply in an Irrigated Lowland Rice Soil as Affected by Crop Rotation and Residue Management. Springer, 1998.
Precaución: Estas citas no son 100% exactas.