Citação norma APA

Nnalue, N. A., & Lindberg, A. A. (1990). Salmonella choleraesuis strains deficient in O antigen remain fully virulent for mice by parenteral inoculation but are avirulent by oral administration.

Citação norma Chicago

Nnalue, N A., and A A. Lindberg. Salmonella Choleraesuis Strains Deficient in O Antigen Remain Fully Virulent for Mice By Parenteral Inoculation but Are Avirulent By Oral Administration. 1990.

Citação norma MLA

Nnalue, N A., and A A. Lindberg. Salmonella Choleraesuis Strains Deficient in O Antigen Remain Fully Virulent for Mice By Parenteral Inoculation but Are Avirulent By Oral Administration. 1990.

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