APA (7th ed.) Citation

United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee & ProQuest (Firm). (1968). National Airport System. Exploring the Needs, Problems, and Means Necessary to Insure the Continued Maintenance of an Adequate National Airport System. Interim Report. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee and ProQuest (Firm). National Airport System. Exploring the Needs, Problems, and Means Necessary to Insure the Continued Maintenance of an Adequate National Airport System. Interim Report. [Place of publication not identified]: [publisher not identified], 1968.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee and ProQuest (Firm). National Airport System. Exploring the Needs, Problems, and Means Necessary to Insure the Continued Maintenance of an Adequate National Airport System. Interim Report. [publisher not identified], 1968.