APA (7th ed.) Citation

Ramalho, R., Cunha, J., Teixeira, P., & Gibbs, P. A. (2011). Improved methods for the enumeration of heterotrophic bacteria in bottled mineral waters.

Chicago Style (17th ed.) Citation

Ramalho, Rita, Joaquim Cunha, Paula Teixeira, and Paul A. Gibbs. Improved Methods for the Enumeration of Heterotrophic Bacteria in Bottled Mineral Waters. 2011.

MLA (8th ed.) Citation

Ramalho, Rita, et al. Improved Methods for the Enumeration of Heterotrophic Bacteria in Bottled Mineral Waters. 2011.