Grin.hq.nasa.gov

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-000439.html

I try to write a book on astronomy, but I do not know how to cite this image from NASA. I'm able to use most of the images here are copyright free. but how could I be able to quote?

I do not see the name, title image, there are a number of images, but then I get a quote without the author's name?

Try going to www.noodletools.com

Create a free account and it will help you include everything you need to call for the school. I know that my school uses it and it is very useful!