APA Style Citation

Edwin Powell Hubble Quotes. (n.d.). BrainyQuote.com. Retrieved October 22, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/authors/edwin-powell-hubble-quotes

Chicago Style Citation

Edwin Powell Hubble Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/authors/edwin-powell-hubble-quotes, accessed October 22, 2019.

MLA Style Citation

"Edwin Powell Hubble Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 22 October 2019. https://www.brainyquote.com/authors/edwin-powell-hubble-quotes