You can use Q2A Market Free Plugin Q2A - WP Pack. This includes old Snow theme and allows to get some q2a data to display on WordPress website. This plugin can be used only SSO with WordPress setup.
Q2A - WP Pack: http://store.q2amarket.com/q2a-wp-pack
If you have separate Q2A on the same server (without SSO with WordPress) then you can use Q2A Market another script Q2A-Pull. You can find on Q2A Market Github repositories. Just include this into your WP functions.php or anywhere so it can be loaded functions. You will find documentation on readme file.
Q2A - Pull: https://github.com/q2amarket/q2a-pull
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.