एपीए उद्धरण

Engels, F. (1907). Landmarks of scientific socialism: "anti-Duehring". Chicago: C.H. Kerr & Company.

शिकागो स्टाइल उद्धरण

Engels, Friedrich. Landmarks of Scientific Socialism: "anti-Duehring". Chicago: C.H. Kerr & Company, 1907.

एमएलए उद्धरण

Engels, Friedrich. Landmarks of Scientific Socialism: "anti-Duehring". Chicago: C.H. Kerr & Company, 1907.