Cita APA

Helliker, B. R., & Ehleringer, J. R. (2000). Establishing a grassland signature in veins: (18)O in the leaf water of C(3) and C(4) grasses. The National Academy of Sciences.

Citación estilo Chicago

Helliker, Brent R., y James R. Ehleringer. Establishing a Grassland Signature in Veins: (18)O in the Leaf Water of C(3) and C(4) Grasses. The National Academy of Sciences, 2000.

Cita MLA

Helliker, Brent R., y James R. Ehleringer. Establishing a Grassland Signature in Veins: (18)O in the Leaf Water of C(3) and C(4) Grasses. The National Academy of Sciences, 2000.