Cita APA (7th ed.)
Bashkin, V. N., & Howarth, R. W. (2002). Modern biogeochemistry. Kluwer Academic Publishers.
Cita Chicago (17th ed.)
Bashkin, V. N., i Robert Warren Howarth. Modern Biogeochemistry. Dordrecht ; Boston: Kluwer Academic Publishers, 2002.
Cita MLA (9th ed.)
Bashkin, V. N., i Robert Warren Howarth. Modern Biogeochemistry. Kluwer Academic Publishers, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.