APA

United States, . (1921). Extension of government guaranty to carriers by water: hearing on H.R. 7100. [Washington, D.C.]: .

Chicago

United States, . 1921. Extension of government guaranty to carriers by water: hearing on H.R. 7100. [Washington, D.C.]: .

Harvard

United States, . (1921). Extension of government guaranty to carriers by water: hearing on H.R. 7100. [Washington, D.C.]: .

MLA

United States, . Extension of government guaranty to carriers by water: hearing on H.R. 7100. [Washington, D.C.]: . 1921.