APA citiranje

Washington, J. A., Yu, P. K. W., & Martin, W. J. (1970). Hydrogen Sulfide-Negative Variant of Citrobacter.

Citação norma Chicago

Washington, John A., Pauline K. W. Yu, and William Jeffery Martin. Hydrogen Sulfide-Negative Variant of Citrobacter. 1970.

MLA citiranje

Washington, John A., Pauline K. W. Yu, and William Jeffery Martin. Hydrogen Sulfide-Negative Variant of Citrobacter. 1970.