APA offers an online class to help you use the APA manual. Basics of APA Style: An Online Course "follows the organization of the manual and offers an in-depth overview of the types of articles used in psychological and social research, manuscript elements, heading style, reducing bias in language, punctuation, capitalization, italics, numbers, tables, figures, citing references in text, creating a reference list, and reference templates and examples." The class is $60 for APA members and $80 otherwise. It offers 4 CE credits.
If you're looking for less detail, APA also has a FREE tutorial "which shows you how to structure and format your work, recommends ways to reduce bias in language, identifies how to avoid charges of plagiarism, shows how to cite references in text, and provides selected reference examples."