Cita APA (7th ed.)

WILCOX, W. W., & COCHRANE, W. W. (1960). Economics of American agriculture.-- ed.2. Prentice-Hall.

Cita Chicago (17th ed.)

WILCOX, Walter W., i Willard W. COCHRANE. Economics of American Agriculture.-- Ed.2. New Jersey: Prentice-Hall, 1960.

Cita MLA (9th ed.)

WILCOX, Walter W., i Willard W. COCHRANE. Economics of American Agriculture.-- Ed.2. Prentice-Hall, 1960.