The most common is Chicago style.
You should give credit to them, yes. You can state the source from which it came from, or the author himself. I’m going to say this is true
There is no context with this. If you comment on my post with what happened during the talent show I could help!
Echo is on hand to stall Hera with mindless chatter so that Zeus can escape. But when Hera realizes that she's being played, she's not psyched. As a punishment, Her a takes away Echo's voice so that she is only able to repeat whatever she hears. Like, say, hearing your own echo in a canyon.
