Citação norma APA

Krishnan, H. B., & Pueppke, S. G. (1993). Characterization of RFRS9, a second member of the Rhizobium fredii repetitive sequence family from the nitrogen-fixing symbiont R. fredii USDA257.

Citação norma Chicago

Krishnan, H B., and S G. Pueppke. Characterization of RFRS9, a Second Member of the Rhizobium Fredii Repetitive Sequence Family From the Nitrogen-fixing Symbiont R. Fredii USDA257. 1993.

Citação norma MLA

Krishnan, H B., and S G. Pueppke. Characterization of RFRS9, a Second Member of the Rhizobium Fredii Repetitive Sequence Family From the Nitrogen-fixing Symbiont R. Fredii USDA257. 1993.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.