Allen, L. A., Brooks, E., & Williams, I. L. (1949). Effect of treatment at the sewage works on the numbers and types of bacteria in sewage.
Citação norma ChicagoAllen, L. A., Eileen Brooks, and Irene L. Williams. Effect of Treatment At the Sewage Works On the Numbers and Types of Bacteria in Sewage. 1949.
Citação norma MLAAllen, L. A., Eileen Brooks, and Irene L. Williams. Effect of Treatment At the Sewage Works On the Numbers and Types of Bacteria in Sewage. 1949.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.