APA (7th ed.) Citation

Barreira, M. J., Alvito, P., & Almeida, C. M. (2011). Occurrence of patulin in apple-based-foods in Portugal.

Chicago Style (17th ed.) Citation

Barreira, Maria João, Paula Alvito, and Cristina M.M Almeida. Occurrence of Patulin in Apple-based-foods in Portugal. 2011.

MLA (8th ed.) Citation

Barreira, Maria João, et al. Occurrence of Patulin in Apple-based-foods in Portugal. 2011.