How is one referred to a therapist?

Or whatever the hell the processes might be. I'm not a hypochondriac, I just think I might be on the verge of depression. I have no one to talk to, so I figured why not a therapist? I would like some answers as to why I behave in certain ways. My doctor suggested I see one, but my mother refused. So, here I am. I need that help though. Badly