APA (7th ed.) Citation

American Geophysical Union. (1987). Global biogeochemical cycles. American Geophysical Union.

Chicago Style (17th ed.) Citation

American Geophysical Union. Global Biogeochemical Cycles. Washington, DC: American Geophysical Union, 1987.

MLA (9th ed.) Citation

American Geophysical Union. Global Biogeochemical Cycles. American Geophysical Union, 1987.

Warning: These citations may not always be 100% accurate.