APA
Smedley M. P., Dawson T. E., Comstock J. P., Donovan L. A., Sherrill D. E., Cook C. S. & Ehleringer J. R. (1991). Seasonal carbon isotope discrimination in a grassland community. : Oecologia.
Chicago
Smedley Mark P, Dawson Todd E, Comstock Jonathan P, Donovan Lisa A, Sherrill Dorothy E, Cook Craig S and Ehleringer James R. 1991. Seasonal carbon isotope discrimination in a grassland community. : Oecologia.
Harvard
Smedley M. P., Dawson T. E., Comstock J. P., Donovan L. A., Sherrill D. E., Cook C. S. and Ehleringer J. R. (1991). Seasonal carbon isotope discrimination in a grassland community. : Oecologia.
MLA
Smedley Mark P, Dawson Todd E, Comstock Jonathan P, Donovan Lisa A, Sherrill Dorothy E, Cook Craig S and Ehleringer James R. Seasonal carbon isotope discrimination in a grassland community. : Oecologia. 1991.