APA引文

MARKHAM, R., & SMITH, J. D. (1951). Structure of Ribonucleic Acid. Nature.

Citação norma Chicago

MARKHAM, ROY, and J. D. SMITH. "Structure of Ribonucleic Acid." Nature 1951.

MLA引文

MARKHAM, ROY, and J. D. SMITH. "Structure of Ribonucleic Acid." Nature 1951.

警告：這些引文格式不一定是100％准確.