Studies in planetary rings

MLA

Porco, Carolyn C. “Studies in Planetary Rings.” NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990, June 1991. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19920001731&authtype=sso&custid=ns315887.

APA

Porco, C. C. (1991). Studies in planetary rings. NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990.

Chicago

Porco, Carolyn C. 1991. “Studies in Planetary Rings.” NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990, June. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19920001731&authtype=sso&custid=ns315887.