APA
Tysdal H M, Crandall Bliss H, . (1948). Polycross progeny performance as an index of the combining ability of alfalfa clones. : Journal of the American Society of Agronomy.
Chicago
Tysdal H M, Crandall Bliss H, . 1948. Polycross progeny performance as an index of the combining ability of alfalfa clones. : Journal of the American Society of Agronomy.
Harvard
Tysdal H M, Crandall Bliss H, . (1948). Polycross progeny performance as an index of the combining ability of alfalfa clones. : Journal of the American Society of Agronomy.
MLA
Tysdal H M, Crandall Bliss H, . Polycross progeny performance as an index of the combining ability of alfalfa clones. : Journal of the American Society of Agronomy. 1948.