APA

United States, . (1940). Shippers' refrigerator cars: hearing before subcommittee, 76th Congress, 3d session, on H.R. 7466 [and] H.R. 8242, May 9-17, 1940. [Washington, D.C.]: .

Chicago

United States, . 1940. Shippers' refrigerator cars: hearing before subcommittee, 76th Congress, 3d session, on H.R. 7466 [and] H.R. 8242, May 9-17, 1940. [Washington, D.C.]: .

Harvard

United States, . (1940). Shippers' refrigerator cars: hearing before subcommittee, 76th Congress, 3d session, on H.R. 7466 [and] H.R. 8242, May 9-17, 1940. [Washington, D.C.]: .

MLA

United States, . Shippers' refrigerator cars: hearing before subcommittee, 76th Congress, 3d session, on H.R. 7466 [and] H.R. 8242, May 9-17, 1940. [Washington, D.C.]: . 1940.