APA (7th ed.) Citation

Relvas, C., Figueira, F., Nunes, M., Santos, M., Mourinha, P., Caldeira, A., & Ferreira, T. (2015). Characterization of old paper samples exhibiting foxing.

Chicago Style (17th ed.) Citation

Relvas, C., F. Figueira, M. Nunes, M. Santos, P. Mourinha, A.T Caldeira, and T. Ferreira. Characterization of Old Paper Samples Exhibiting Foxing. 2015.

MLA (8th ed.) Citation

Relvas, C., et al. Characterization of Old Paper Samples Exhibiting Foxing. 2015.