APA

Thomsen F. L., . (1951). Agricultural marketing. New York: McGraw-Hill.

Chicago

Thomsen Frederick Lundy, . 1951. Agricultural marketing. New York: McGraw-Hill.

Harvard

Thomsen F. L., . (1951). Agricultural marketing. New York: McGraw-Hill.

MLA

Thomsen Frederick Lundy, . Agricultural marketing. New York: McGraw-Hill. 1951.