Citação norma APA

Swaminathan, R., Hill, G. H., Bradley, J. A., & Morgan, D. B. (1979). The nitrogen to creatinine ratio in untimed samples of urine as an index of protein catabolism after surgery.

Citação norma Chicago

Swaminathan, R., G. H. Hill, J. A. Bradley, and D. B. Morgan. The Nitrogen to Creatinine Ratio in Untimed Samples of Urine As an Index of Protein Catabolism After Surgery. 1979.

Citação norma MLA

Swaminathan, R., G. H. Hill, J. A. Bradley, and D. B. Morgan. The Nitrogen to Creatinine Ratio in Untimed Samples of Urine As an Index of Protein Catabolism After Surgery. 1979.

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