Citazione Stile APA (7a Edizione)

Calzeta, E. C., Ebora, J. B., Mojica, C. M., Perino, E. A., & Siapno, F. E. (2006). Economic valuation of grassland degradation under different pasture classifications. Sylvatrop.

Citazione stile Chigago Style (17a edizione)

Calzeta, Eduardo C., Juan B. Ebora, Carmelita M. Mojica, Enriqueta A. Perino, e Florita E. Siapno. "Economic Valuation of Grassland Degradation Under Different Pasture Classifications." Sylvatrop 2006.

Citatione MLA (9a ed.)

Calzeta, Eduardo C., et al. "Economic Valuation of Grassland Degradation Under Different Pasture Classifications." Sylvatrop, 2006.