APA (7th ed.) Citation

Helwing, B., Basello, G., & Álvarez-Mon, J. (2018). Metals and mining.

Chicago Style (17th ed.) Citation

Helwing, Barbara, G.P Basello, and J. Álvarez-Mon. Metals and Mining. 2018.

MLA (8th ed.) Citation

Helwing, Barbara, et al. Metals and Mining. 2018.