Citazione APA

Harper, F. A. (1949). Liberty, a path to its recovery. Foundation for Economic Education.

Stile di citazione Chicago

Harper, F. A. Liberty, a Path to Its Recovery. Irvington-on-Hudson, N.Y: Foundation for Economic Education, 1949.

Citazione MLA

Harper, F. A. Liberty, a Path to Its Recovery. Foundation for Economic Education, 1949.