(1967). Circular: University of California College of Agriculture Agricultural Experiment Station Berkeley, California. [Später:] Division of Agricultural Sciences Univ. of California. California Agricultural Experiment Station-Extension Service. Circular. W.W. Shannon.
Chicago-Zitierstil (17. Ausg.)Circular: University of California College of Agriculture Agricultural Experiment Station Berkeley, California. [Später:] Division of Agricultural Sciences Univ. of California. California Agricultural Experiment Station-Extension Service. Circular. Sacramento: W.W. Shannon, 1967.
MLA-Zitierstil (9. Ausg.)Circular: University of California College of Agriculture Agricultural Experiment Station Berkeley, California. [Später:] Division of Agricultural Sciences Univ. of California. California Agricultural Experiment Station-Extension Service. Circular. W.W. Shannon, 1967.