APA引文

Steenrod, N. E. (1962). Cohomology operations. Princeton, N.J.: Princeton University Press.

Trích dẫn kiểu Chicago

Steenrod, Norman Earl. Cohomology Operations. Princeton, N.J.: Princeton University Press, 1962.

MLA引文

Steenrod, Norman Earl. Cohomology Operations. Princeton, N.J.: Princeton University Press, 1962.

警告：这些引文格式不一定是100％准确.