APA (7th ed.) Citation

Garbisu, C., Alkorta, I., & Unamunzaga, O. Soils: The final frontier recedes. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Garbisu, Carlos, Itziar Alkorta, and Olatz Unamunzaga. Soils: The Final Frontier Recedes. Frontiers Media S.A.

MLA (9th ed.) Citation

Garbisu, Carlos, et al. Soils: The Final Frontier Recedes. Frontiers Media S.A.