YCC at work :
the 1976 program year.

APA Citation

United States. Forest Service., United States. Dept. of the Interior. (1977). YCC at work: the 1976 program year. [Washington]: Dept. of Agriculture, Forest Service.

MLA Citation

United States. Forest Service, and United States. Dept. of the Interior. YCC At Work: the 1976 Program Year. [Washington]: Dept. of Agriculture, Forest Service, 1977.

Warning: These citations may not always be complete (especially for serials).