Friedrich Engels (ca. 1880).
Chicago Style (17th ed.) CitationFriedrich Engels (ca. 1880).
MLA (8th ed.) CitationFriedrich Engels (ca. 1880).
Warning: These citations may not always be 100% accurate.
Friedrich Engels (ca. 1880).
Chicago Style (17th ed.) CitationFriedrich Engels (ca. 1880).
MLA (8th ed.) CitationFriedrich Engels (ca. 1880).