Cita APA (7th ed.)

Cheney, O. H. (1949). Economic survey of the book industry, 1930-1931. R. R. Bowker.

Cita Chicago (17th ed.)

Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. New York: R. R. Bowker, 1949.

Cita MLA (9th ed.)

Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. R. R. Bowker, 1949.