APA-Zitierstil (7. Ausg.)

Huerta, E., Valier, O., Romero, D., & Jarquin, A. (2010). Effect off three earthworm species on soil fertility and the growth of maize (Zea mays) seedlings. Instituto de Ecología, A.C.

Chicago-Zitierstil (17. Ausg.)

Huerta, Esperanza, Olivia Valier, Day Romero, und Aaron Jarquin. Effect off Three Earthworm Species on Soil Fertility and the Growth of Maize (Zea Mays) Seedlings. Instituto de Ecología, A.C, 2010.

MLA-Zitierstil (9. Ausg.)

Huerta, Esperanza, et al. Effect off Three Earthworm Species on Soil Fertility and the Growth of Maize (Zea Mays) Seedlings. Instituto de Ecología, A.C, 2010.