Cita APA

Yevgenia Stepanova & Schneierson Vic. (1988). Frederick Engels: A short biography. Progress.

Chicago Edition Citation

Yevgenia Stepanova i Schneierson Vic. Frederick Engels: A Short Biography. Moscow: Progress, 1988.

Cita MLA

Yevgenia Stepanova i Schneierson Vic. Frederick Engels: A Short Biography. Progress, 1988.