Asphalt-prepared roll roofings and shingles
MLA
Snoke, Hubert R. Asphalt-prepared roll roofings and shingles. Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards : U.S. Govt. Print. Off., 1941.
APA
Snoke, H. (1941). Asphalt-prepared roll roofings and shingles. Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards : U.S. Govt. Print. Off..
Chicago
Snoke, Hubert R. Asphalt-prepared roll roofings and shingles. Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards : U.S. Govt. Print. Off., 1941.