APA (7th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs & ProQuest (Firm). (1990). Amending the National Trails System Act To Designate the California National Historic Trail and Pony Express National Historic Trail As Components of the National Trails System. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs and ProQuest (Firm). Amending the National Trails System Act To Designate the California National Historic Trail and Pony Express National Historic Trail As Components of the National Trails System. Washington: [publisher not identified], 1990.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs and ProQuest (Firm). Amending the National Trails System Act To Designate the California National Historic Trail and Pony Express National Historic Trail As Components of the National Trails System. [publisher not identified], 1990.