Engels, F. (1975). Anti-Duhring: Herr eugen Duhring's: Revolution in science. Progress Publishers.
Citazione stile Chigago Style (17a edizione)Engels, Frederick. Anti-Duhring: Herr Eugen Duhring's: Revolution in Science. Moscow: Progress Publishers, 1975.
Citatione MLA (9a ed.)Engels, Frederick. Anti-Duhring: Herr Eugen Duhring's: Revolution in Science. Progress Publishers, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.