Chelsea Seburn runs a YouTube channel called "Smart Student" and has a playlist of videos on APA 7 guidelines that offer easy-to-follow explanations and demos. The playlist has short videos on different aspects of APA 7 style.
See the full list of videos in her APA 7 Style Playlist or get started with select videos:
Zotero is a free citation manager. It allows you to create a personal database of references and automatically generate formatted bibliographies for your projects. If you are new to Zotero, feel free to get started with these tutorials: