APA Style Citation

Friedrich Engels Quotes. (n.d.). BrainyQuote.com. Retrieved November 20, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/friedrich_engels_201201

Chicago Style Citation

Friedrich Engels Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/friedrich_engels_201201, accessed November 20, 2019.

MLA Style Citation

"Friedrich Engels Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 20 November 2019. https://www.brainyquote.com/quotes/friedrich_engels_201201