APA

United States, . (1921). Transfer of parts of Texas and Oklahoma to central time zone: hearing on H.R. 14490, Jan. 11, 1921. [Washington, D.C.]: .

Chicago

United States, . 1921. Transfer of parts of Texas and Oklahoma to central time zone: hearing on H.R. 14490, Jan. 11, 1921. [Washington, D.C.]: .

Harvard

United States, . (1921). Transfer of parts of Texas and Oklahoma to central time zone: hearing on H.R. 14490, Jan. 11, 1921. [Washington, D.C.]: .

MLA

United States, . Transfer of parts of Texas and Oklahoma to central time zone: hearing on H.R. 14490, Jan. 11, 1921. [Washington, D.C.]: . 1921.