Cita APA (7th ed.)

Freney, J. R. (1982). Cycling of carbon, nitrogen, sulfur, and phosphorus in terrestrial and aquatic ecosystems. Springer-Verlag.

Cita Chicago (17th ed.)

Freney, J. R. Cycling of Carbon, Nitrogen, Sulfur, and Phosphorus in Terrestrial and Aquatic Ecosystems. Berlin: Springer-Verlag, 1982.

Cita MLA (9th ed.)

Freney, J. R. Cycling of Carbon, Nitrogen, Sulfur, and Phosphorus in Terrestrial and Aquatic Ecosystems. Springer-Verlag, 1982.