APA (7th ed.) Citation

Ricardo, R. P., Câmara, E. S., & Furtado, A. S. (2019). Preliminary note on the soils of Madeira.

Chicago Style (17th ed.) Citation

Ricardo, Rui Pinto, E.M. Silva Câmara, and A.F.A. Sanches Furtado. Preliminary Note on the Soils of Madeira. 2019.

MLA (8th ed.) Citation

Ricardo, Rui Pinto, et al. Preliminary Note on the Soils of Madeira. 2019.