APA引文

Petrich, M. (1974). Rings and semigroups. Springer-Verlag.

Chicago Edition Citation

Petrich, Mario. Rings and Semigroups. Berlin, New York: Springer-Verlag, 1974.

MLA引文

Petrich, Mario. Rings and Semigroups. Springer-Verlag, 1974.

警告：这些引文格式不一定是100％准确.