Underground Europe calling / / by Oscar Paul.

MLA

Paul, Oscar, and Oscar Pollak. Underground Europe Calling. London: Victor Gollancz, 1942.

APA

Paul, O., & Pollak, O. (1942). Underground Europe calling. London: Victor Gollancz.

Chicago

Paul, Oscar, and Oscar Pollak. Underground Europe Calling. London: Victor Gollancz, 1942.