APA Style Citation

Edwin Powell Hubble Quotes. (n.d.). BrainyQuote.com. Retrieved May 27, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/authors/edwin_powell_hubble

Chicago Style Citation

Edwin Powell Hubble Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/authors/edwin_powell_hubble, accessed May 27, 2019.

MLA Style Citation

"Edwin Powell Hubble Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 27 May 2019. https://www.brainyquote.com/authors/edwin_powell_hubble