Should I add two canonical links in 1 page if I use a content from two sources?

[zpm2014]

Thanks!

[Andy.Drinkwater]

No, having two canonical links wouldn't work and cause you issues with Google as well.

Have a look at the Google support page on this and see which one best fits your needs.
https://support.google.com/webmasters/answer/139066?hl=en

-Andy

[zpm2014]

Thanks iNetSEO! I've read that Google will ignore the 2nd rel=canonical. Another question, what if I've copied/used content from source1.com and content from source2.com and put it in 1 page in my website which is necessary? Do I need to add a canonical or just a reference link like "Original source: [link1], [link2]?

Thanks in advance!

[GPainter]

When you add a canonical its pretty much saying this page is a duplicate of the other page, which is fine. This normally means link juice would flow to the page you said was the original. Other options can be just linking to the original content, Matt Cutts has mentioned duplicate content isn't the worse enemy out there and as long as its not spammy it's not solely going to bring you down Take a read - http://searchenginewatch.com/article/2319706/Googles-Matt-Cutts-A-Little-Duplicate-Content-Wont-Hurt-Your-Rankings

So if the content is there legitimately and its to help the user of your site just link to the original article, obviously if you're doing this across multiple pages you might want to rethink it a bit but for one or two pages you should be fine.