APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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