APA引文

Catterall, J. F., & Welker, N. E. (1977). Isolation and properties of a thermostable restriction endonuclease (ENDO R-Bst1503).

Citação norma Chicago

Catterall, J F., and N E. Welker. Isolation and Properties of a Thermostable Restriction Endonuclease (ENDO R-Bst1503). 1977.

MLA引文

Catterall, J F., and N E. Welker. Isolation and Properties of a Thermostable Restriction Endonuclease (ENDO R-Bst1503). 1977.

警告：這些引文格式不一定是100％准確.