Cita APA

Bertsch, F., & Henríquez, C. (2015). 2015: International Year of Soils.

Chicago Style Citation

Bertsch, Floria, i Carlos Henríquez. 2015: International Year of Soils. 2015.

Cita MLA

Bertsch, Floria, i Carlos Henríquez. 2015: International Year of Soils. 2015.

Atenció: Aquestes cites poden no estar 100% correctes.