Citação norma APA

Northrop, J. H. (1919). THE COMBINATION OF ENZYME AND SUBSTRATE: I. A METHOD FOR THE QUANTITATIVE DETERMINATION OF PEPSIN. II. THE EFFECT OF THE HYDROGEN ION CONCENTRATION. The Rockefeller University Press.

Citação norma Chicago

Northrop, John H. THE COMBINATION OF ENZYME AND SUBSTRATE: I. A METHOD FOR THE QUANTITATIVE DETERMINATION OF PEPSIN. II. THE EFFECT OF THE HYDROGEN ION CONCENTRATION. The Rockefeller University Press, 1919.

Citação norma MLA

Northrop, John H. THE COMBINATION OF ENZYME AND SUBSTRATE: I. A METHOD FOR THE QUANTITATIVE DETERMINATION OF PEPSIN. II. THE EFFECT OF THE HYDROGEN ION CONCENTRATION. The Rockefeller University Press, 1919.

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