APA (7th ed.) Citation

Hoch, I., & Tryphonopoulos, N. (1969). A study of the economy of Napa County, California. California Agricultural Extension Station, Giannini Foundation of Agricultural Economics.

Chicago Style (17th ed.) Citation

Hoch, Irving, and Nickolas Tryphonopoulos. A Study of the Economy of Napa County, California. [Berkeley?]: California Agricultural Extension Station, Giannini Foundation of Agricultural Economics, 1969.

MLA (9th ed.) Citation

Hoch, Irving, and Nickolas Tryphonopoulos. A Study of the Economy of Napa County, California. California Agricultural Extension Station, Giannini Foundation of Agricultural Economics, 1969.