Citação norma APA

Schild, D., Brake, A. J., Kiefer, M. C., Young, D., & Barr, P. J. (1990). Cloning of three human multifunctional de novo purine biosynthetic genes by functional complementation of yeast mutations.

Citação norma Chicago

Schild, D., A J. Brake, M C. Kiefer, D. Young, and P J. Barr. Cloning of Three Human Multifunctional De Novo Purine Biosynthetic Genes By Functional Complementation of Yeast Mutations. 1990.

Citação norma MLA

Schild, D., et al. Cloning of Three Human Multifunctional De Novo Purine Biosynthetic Genes By Functional Complementation of Yeast Mutations. 1990.

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