APA

United States, . (1974). Examination of Pres. Nixon's tax returns for 1969-72. [Washington, D.C: .

Chicago

United States, . 1974. Examination of Pres. Nixon's tax returns for 1969-72. [Washington, D.C: .

Harvard

United States, . (1974). Examination of Pres. Nixon's tax returns for 1969-72. [Washington, D.C: .

MLA

United States, . Examination of Pres. Nixon's tax returns for 1969-72. [Washington, D.C: . 1974.