APA (7th ed.) Citation

Viegas, S., Almeida-Silva, M., & Viegas, C. (2014). Occupational exposure to particulate matter in 2 Portuguese waste-sorting units.

Chicago Style (17th ed.) Citation

Viegas, Susana, Marina Almeida-Silva, and Carla Viegas. Occupational Exposure to Particulate Matter in 2 Portuguese Waste-sorting Units. 2014.

MLA (8th ed.) Citation

Viegas, Susana, et al. Occupational Exposure to Particulate Matter in 2 Portuguese Waste-sorting Units. 2014.