APA
Eastman M., . (1941). Marxism is it science?. London: George Allen & Unwin.
Chicago
Eastman Max, . 1941. Marxism is it science?. London: George Allen & Unwin.
Harvard
Eastman M., . (1941). Marxism is it science?. London: George Allen & Unwin.
MLA
Eastman Max, . Marxism is it science?. London: George Allen & Unwin. 1941.