Citação norma APA

Antao, V. P., Ratliff, R. L., & Gray, D. M. (1990). CD evidence that the alternating purine-pyrimidine sequence poly[d(A-C).d(G-T)], but not poly[d(A-T).d(A-T)], undergoes an acid-induced transition to a modified secondary conformation.

Citação norma Chicago

Antao, V P., R L. Ratliff, e D M. Gray. CD Evidence That the Alternating Purine-pyrimidine Sequence Poly[d(A-C).d(G-T)], but Not Poly[d(A-T).d(A-T)], Undergoes an Acid-induced Transition to a Modified Secondary Conformation. 1990.

Citação norma MLA

Antao, V P., R L. Ratliff, e D M. Gray. CD Evidence That the Alternating Purine-pyrimidine Sequence Poly[d(A-C).d(G-T)], but Not Poly[d(A-T).d(A-T)], Undergoes an Acid-induced Transition to a Modified Secondary Conformation. 1990.

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