Citação norma APA

Snapka, R. M., & Varshavsky, A. (1983). Loss of unstably amplified dihydrofolate reductase genes from mouse cells is greatly accelerated by hydroxyurea.

Citação norma Chicago

Snapka, R M., and A. Varshavsky. Loss of Unstably Amplified Dihydrofolate Reductase Genes From Mouse Cells Is Greatly Accelerated By Hydroxyurea. 1983.

Citação norma MLA

Snapka, R M., and A. Varshavsky. Loss of Unstably Amplified Dihydrofolate Reductase Genes From Mouse Cells Is Greatly Accelerated By Hydroxyurea. 1983.

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