Cita APA (7a ed.)
American Geophysical Union. Global biogeochemical cycles. American Geophysical Union.
Cita Chicago Style (17a ed.)
American Geophysical Union. Global Biogeochemical Cycles. Washington, DC: American Geophysical Union.
Cita MLA (9a ed.)
American Geophysical Union. Global Biogeochemical Cycles. American Geophysical Union.
Precaución: Estas citas no son 100% exactas.