The natural hybrid between Coulter and Jeffrey pines /
by Bruce John Zobel.
APA Citation
Zobel, B. (1951). The natural hybrid between Coulter and Jeffrey pines. .
MLA Citation
Zobel, Bruce, 1920-. The Natural Hybrid Between Coulter And Jeffrey Pines. , 1951.
Warning: These citations may not always be complete (especially for serials).