Cita APA

SpringerLink (Online service), Simpson, R. D., & Christensen, N. L. (1997). Ecosystem Function & Human Activities: Reconciling Economics and Ecology (1st ed. 1997.). New York, NY: Springer US : Imprint: Springer.

Citación estilo Chicago

SpringerLink (Online service), R. David Simpson, y Norman L. Christensen. Ecosystem Function & Human Activities: Reconciling Economics and Ecology. 1st ed. 1997. New York, NY: Springer US : Imprint: Springer, 1997.

Cita MLA

SpringerLink (Online service), R. David Simpson, y Norman L. Christensen. Ecosystem Function & Human Activities: Reconciling Economics and Ecology. 1st ed. 1997. New York, NY: Springer US : Imprint: Springer, 1997.