MLA

Chamberlin, William Henry. Russia's Iron Age : by William Henry Chamberlin. Boston: Little, Brown, 1934.

APA

Chamberlin, W. Henry. (1934). Russia's iron age : by William Henry Chamberlin. Boston: Little, Brown.

Chicago

Chamberlin, William Henry, Russia's Iron Age: By William Henry Chamberlin. Boston: Little, Brown, 1934.