Gaya APA

Engels, F. (1987). The condition of the working class in England. Ed. with a foreword by Victor Kiernan. . Harmondsworth: Penguin Books.

Gaya MLA

Engels, Friedrich. "The condition of the working class in England. Ed. with a foreword by Victor Kiernan. ". Harmondsworth: Penguin Books, 1987. Buku.