What about other specific online media? How do I cite a Reddit comment? An insightful meme in QuickMeme (the text could be helpful and part of an overall commen

What about other specific online media? How do I cite a Reddit comment? An insightful meme in QuickMeme (the text could be helpful and part of an overall commentary, regardless of how you feel about memes in general)? I feel the best thing is like an online source - aka like taking a 140 character quote from a blog post. MLA feel differently, obviously.