APA (7th ed.) Citation

Ratola, N., Lacorte, S., Barceló, D., Alves, A., Amigo, J. M., & Psillakis, E. (2013). Biomonitoring of Polycyclic Aromatic Hydrocarbons by Pine Needles - Levels and Trends in Southern Europe.

Chicago Style (17th ed.) Citation

Ratola, Nuno, Silvia Lacorte, Damià Barceló, Arminda Alves, José Manuel Amigo, and Elefteria Psillakis. Biomonitoring of Polycyclic Aromatic Hydrocarbons by Pine Needles - Levels and Trends in Southern Europe. 2013.

MLA (8th ed.) Citation

Ratola, Nuno, et al. Biomonitoring of Polycyclic Aromatic Hydrocarbons by Pine Needles - Levels and Trends in Southern Europe. 2013.