Deal with only one Gov Website;
There is only one legitimate Website to obtain Visa for Turkey, https://www.evisa.gov.tr , all other websites are not legitimate and you must avoid them. What they do is, collect the information required from you and then they enter your details into above mentioned Turkish Gov website, and email the Visa back to you. The proceeder takes literally a couple of minutes, if and this is a big IF, you get your visa, then consider your self very lucky.
The only Official Visa issuing Website is https://www.evisa.gov.tr
Application is very easy and simple. Fill in the forms, provide your email address, pay with your debit/credit card, you will receive your Visa to email address. Do you need to print them out? NO, not really, however, keep a copy on your phone. On arrival at the passport check, when they scan your passport, it comes up on their screen whether or not you have obtained a tourist visa. Of course, there is nothing wrong with being on the safe side and bring your printed copies along.