Value and price an extract.

MLA

Von Bohm-Bawerk, Eugen. Value and Price an Extract. South Holland, Ill, 1973.

APA

Von Bohm-Bawerk, E. (1973). Value and price an extract. South Holland, Ill.

Chicago

Von Bohm-Bawerk, Eugen Value and Price an Extract. South Holland, Ill., 1973.