Planet Uranus and its two moons

Chicago citation style
Hubble, Edwin Powell, 1889-1953. Planet Uranus and its two moons. 1879-1930. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/v405tc02s. (Accessed July 18, 2018.)
APA citation style
Hubble, Edwin Powell, 1889-1953, (1879-1930) Planet Uranus and its two moons. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/v405tc02s
MLA citation style
Hubble, Edwin Powell, 1889-1953. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/v405tc02s>.
Note: These citations are programmatically generated and may be incomplete.