APA

United States, . (1975). Letter to Honorable Russell B. Long, Vice Chairman, Joint Comm. on Internal Revinue [sic] Taxation. [Washington, D.C.]: .

Chicago

United States, . 1975. Letter to Honorable Russell B. Long, Vice Chairman, Joint Comm. on Internal Revinue [sic] Taxation. [Washington, D.C.]: .

Harvard

United States, . (1975). Letter to Honorable Russell B. Long, Vice Chairman, Joint Comm. on Internal Revinue [sic] Taxation. [Washington, D.C.]: .

MLA

United States, . Letter to Honorable Russell B. Long, Vice Chairman, Joint Comm. on Internal Revinue [sic] Taxation. [Washington, D.C.]: . 1975.