APA Style Citation

Vaclav Smil Quotes. (n.d.). BrainyQuote.com. Retrieved December 13, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/vaclav_smil_903011

Chicago Style Citation

Vaclav Smil Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/vaclav_smil_903011, accessed December 13, 2019.

MLA Style Citation

"Vaclav Smil Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 13 December 2019. https://www.brainyquote.com/quotes/vaclav_smil_903011