APA

Fragoso C., Barois I., González C., Arteaga C. & Patrón J. C.Relationship between earthworms and soil organic matter levels in natural and managed ecosystems in the Mexican tropic. : .

Chicago

Fragoso Carlos, Barois I, González C, Arteaga C and Patrón J C.Relationship between earthworms and soil organic matter levels in natural and managed ecosystems in the Mexican tropic. : .

Harvard

Fragoso C., Barois I., González C., Arteaga C. and Patrón J. C.Relationship between earthworms and soil organic matter levels in natural and managed ecosystems in the Mexican tropic. : .

MLA

Fragoso Carlos, Barois I, González C, Arteaga C and Patrón J C.: . .