Cook, P., & Brazell, I. (1977). The superhelical density of nuclear DNA from human cells.
芝加哥风格引文Cook, P., 与 I. Brazell. The Superhelical Density of Nuclear DNA from Human Cells. 1977.
MLA引文Cook, P., 与 I. Brazell. The Superhelical Density of Nuclear DNA from Human Cells. 1977.
警告：这些引文格式不一定是100％准确.