Cita APA

Tilman, D., Lehman, C. L., & Thomson, K. T. (1997). Plant diversity and ecosystem productivity: Theoretical considerations. Proc Natl Acad Sci U S A.

Chicago Style Citation

Tilman, David, Clarence L. Lehman, i Kendall T. Thomson. "Plant Diversity and Ecosystem productivity: Theoretical Considerations." Proc Natl Acad Sci U S A 1997.

Cita MLA

Tilman, David, Clarence L. Lehman, i Kendall T. Thomson. "Plant Diversity and Ecosystem productivity: Theoretical Considerations." Proc Natl Acad Sci U S A 1997.