Problems in tobacco marketing.
Hearings, Ninetieth Congress, second session.

APA Citation

United States. Congress. House. Committee on Agriculture. Subcommittee on Tobacco. (1968). Problems in tobacco marketing: Hearings, Ninetieth Congress, second session. Washington: U.S. Govt. Print. Off..

MLA Citation

United States. Congress. House. Committee on Agriculture. Subcommittee on Tobacco. Problems In Tobacco Marketing: Hearings, Ninetieth Congress, Second Session. Washington: U.S. Govt. Print. Off., 1968.

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