APA

Neumann E., . (1967). Functional graphic design in the 20's. New York: Reinhold Pub. Corp.

Chicago

Neumann Eckhard, . 1967. Functional graphic design in the 20's. New York: Reinhold Pub. Corp.

Harvard

Neumann E., . (1967). Functional graphic design in the 20's. New York: Reinhold Pub. Corp.

MLA

Neumann Eckhard, . Functional graphic design in the 20's. New York: Reinhold Pub. Corp. 1967.