APA

United States, . (1971). Explanation of H.R. 25: bill to simplify Internal Revenue Code of 1954 by repealing provisions which are obsolete or are unimportant and rarely used. [Washington, D.C.]: .

Chicago

United States, . 1971. Explanation of H.R. 25: bill to simplify Internal Revenue Code of 1954 by repealing provisions which are obsolete or are unimportant and rarely used. [Washington, D.C.]: .

Harvard

United States, . (1971). Explanation of H.R. 25: bill to simplify Internal Revenue Code of 1954 by repealing provisions which are obsolete or are unimportant and rarely used. [Washington, D.C.]: .

MLA

United States, . Explanation of H.R. 25: bill to simplify Internal Revenue Code of 1954 by repealing provisions which are obsolete or are unimportant and rarely used. [Washington, D.C.]: . 1971.