Dept. of Agriculture. (1970). Contours of change. [Washington: For sale by the Supt. of Docs..
Chicago Style citaatDept. of Agriculture. Contours of Change. [Washington: For sale by the Supt. of Docs., 1970.
MLA citatieDept. of Agriculture. Contours of Change. [Washington: For sale by the Supt. of Docs., 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.