Citação norma APA

Bullas, L. R., & Ryu, J. I. (1983). Salmonella typhimurium LT2 strains which are r- m+ for all three chromosomally located systems of DNA restriction and modification.

Citação norma Chicago

Bullas, L R., and J I. Ryu. Salmonella Typhimurium LT2 Strains Which Are R- M+ for All Three Chromosomally Located Systems of DNA Restriction and Modification. 1983.

Citação norma MLA

Bullas, L R., and J I. Ryu. Salmonella Typhimurium LT2 Strains Which Are R- M+ for All Three Chromosomally Located Systems of DNA Restriction and Modification. 1983.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.