APA সাইটেশন

Levin, N. E., Cerling, T. E., Passey, B. H., Harris, J. M., & Ehleringer, J. R. (2006). A stable isotope aridity index for terrestrial environments. National Academy of Sciences.

শিকাগো স্টাইলে সাইটেশন

Levin, Naomi E., Thure E. Cerling, Benjamin H. Passey, John M. Harris, এবং James R. Ehleringer. A Stable Isotope Aridity Index for Terrestrial Environments. National Academy of Sciences, 2006.

এমএলএ সাইটেশন

Levin, Naomi E., et al. A Stable Isotope Aridity Index for Terrestrial Environments. National Academy of Sciences, 2006.