Cita APA (7th ed.)

Verry, H. R. (1958). Document copying and reproduction processes. Fountain Press.

Cita Chicago (17th ed.)

Verry, Herbert Richard. Document Copying and Reproduction Processes. London: Fountain Press, 1958.

Cita MLA (8th ed.)

Verry, Herbert Richard. Document Copying and Reproduction Processes. Fountain Press, 1958.