Cita APA (7a ed.)
SpringerLink (Online service) & Newman, P. Sustainable Earth. BioMed Central : Imprint: BioMed Central.
Cita Chicago Style (17a ed.)
SpringerLink (Online service) y Peter Newman. Sustainable Earth. London: BioMed Central : Imprint: BioMed Central.
Cita MLA (9a ed.)
SpringerLink (Online service) y Peter Newman. Sustainable Earth. BioMed Central : Imprint: BioMed Central.
Precaución: Estas citas no son 100% exactas.