Cita APA

Hirel, B., Bouet, C., King, B., Layzell, D., Jacobs, F., & Verma, D. P. S. (1987). Glutamine synthetase genes are regulated by ammonia provided externally or by symbiotic nitrogen fixation.

Chicago Style Citation

Hirel, Bertrand, Catherine Bouet, Bryan King, David Layzell, Fred Jacobs, i Desh Pal S. Verma. Glutamine Synthetase Genes Are Regulated By Ammonia Provided Externally or By Symbiotic Nitrogen Fixation. 1987.

Cita MLA

Hirel, Bertrand, et al. Glutamine Synthetase Genes Are Regulated By Ammonia Provided Externally or By Symbiotic Nitrogen Fixation. 1987.