Cita APA

Downie, J., Ma, Q., Knight, C. D., Hombrecher, G., & Johnston, A. W. (1983). Cloning of the symbiotic region of Rhizobium leguminosarum: The nodulation genes are between the nitrogenase genes and a nifA-like gene.

Chicago Style Citation

Downie, J.Allan, Qing-Sheng Ma, Celia D. Knight, Gerd Hombrecher, i Andrew W.B Johnston. Cloning of the Symbiotic Region of Rhizobium Leguminosarum: The Nodulation Genes Are between the Nitrogenase Genes and a NifA-like Gene. 1983.

Cita MLA

Downie, J.Allan, et al. Cloning of the Symbiotic Region of Rhizobium Leguminosarum: The Nodulation Genes Are between the Nitrogenase Genes and a NifA-like Gene. 1983.