APA

Johnson R. C., Hopkins A. a. & Evans M. a. (2014). Carbon isotope discrimination, selection response, and forage production of tall fescue in contrasting environments / R. C. Johnson ; A. A. Hopkins ; M. A. Evans. : .

Chicago

Johnson R C, Hopkins A a and Evans M a. 2014. Carbon isotope discrimination, selection response, and forage production of tall fescue in contrasting environments / R. C. Johnson ; A. A. Hopkins ; M. A. Evans. : .

Harvard

Johnson R. C., Hopkins A. a. and Evans M. a. (2014). Carbon isotope discrimination, selection response, and forage production of tall fescue in contrasting environments / R. C. Johnson ; A. A. Hopkins ; M. A. Evans. : .

MLA

Johnson R C, Hopkins A a and Evans M a. Carbon isotope discrimination, selection response, and forage production of tall fescue in contrasting environments / R. C. Johnson ; A. A. Hopkins ; M. A. Evans. : . 2014.