APA
The Illustrated Science and Invention Encyclopedia, . (1977). Vol.21 (Historic inventions-Index). New York: H.S Stuttman Co.INC.
Chicago
The Illustrated Science and Invention Encyclopedia, . 1977. Vol.21 (Historic inventions-Index). New York: H.S Stuttman Co.INC.
Harvard
The Illustrated Science and Invention Encyclopedia, . (1977). Vol.21 (Historic inventions-Index). New York: H.S Stuttman Co.INC.
MLA
The Illustrated Science and Invention Encyclopedia, . Vol.21 (Historic inventions-Index). New York: H.S Stuttman Co.INC. 1977.