A summary and observations of the cloud seeding done in the Black Hills of South Dakota, summer of 1961 /
Memorandum of the chairman to members of the Committee on Public Works, United States Senate.

APA Citation

United States. Congress. Senate. Committee on Public Works. (1962). A summary and observations of the cloud seeding done in the Black Hills of South Dakota, summer of 1961. Washington: U.S. Govt. Print. Off..

MLA Citation

United States. Congress. Senate. Committee on Public Works. A Summary And Observations of the Cloud Seeding Done In the Black Hills of South Dakota, Summer of 1961. Washington: U.S. Govt. Print. Off., 1962.

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