(1968). Circular: Division of Agricultural Sciences. University of California. California Agricultural Experiment Station. Extension Service. Rev. Univ. of Calif.
Chicago-Zitierstil (17. Ausg.)Circular: Division of Agricultural Sciences. University of California. California Agricultural Experiment Station. Extension Service. Rev. [Berkeley]: Univ. of Calif, 1968.
MLA-Zitierstil (9. Ausg.)Circular: Division of Agricultural Sciences. University of California. California Agricultural Experiment Station. Extension Service. Rev. Univ. of Calif, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.