APA
Schumpeter J. A., Norden H. (. & Sweezy P. M. (. (1951). Imperialism and social classes. Oxford: Basil Blackwell.
Chicago
Schumpeter Joseph A, Norden Heinz (Tr.) and Sweezy Paul M (Ed.). 1951. Imperialism and social classes. Oxford: Basil Blackwell.
Harvard
Schumpeter J. A., Norden H. (. and Sweezy P. M. (. (1951). Imperialism and social classes. Oxford: Basil Blackwell.
MLA
Schumpeter Joseph A, Norden Heinz (Tr.) and Sweezy Paul M (Ed.). Imperialism and social classes. Oxford: Basil Blackwell. 1951.