APA citiranje

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 citiranje

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