Cita APA (7a ed.)

Guillerand, A. (1961). They speak by silences (1st ed., 4th impression by photolithography.). Longmans, Green and Co.

Cita Chicago Style (17a ed.)

Guillerand, Augustin. They Speak by Silences. 1st ed., 4th impression by photolithography. London [etc.]: Longmans, Green and Co, 1961.

Cita MLA (9a ed.)

Guillerand, Augustin. They Speak by Silences. 1st ed., 4th impression by photolithography. Longmans, Green and Co, 1961.