I learned about communism the hard way

MLA

Ruedemann, Paul. I learned about communism the hard way. [Philadelphia] : The Curtis Publishing Company, [1949]

APA

Ruedemann, P. (1949). I learned about communism the hard way. [Philadelphia] : The Curtis Publishing Company.

Chicago

Ruedemann, Paul. I learned about communism the hard way. [Philadelphia] : The Curtis Publishing Company, [1949]