Please consult the APA Publication Manual even if you use a program to create citations for you. The citations created by these programs frequently are close, but not exact. Print copies of the APA Publication Manual are available in the library.
Below are two common APA citation format examples -
Book: AuthorLastname, F. I. (Year). BookTitle. Edition. Location: Publisher.
Article (with DOI): AuthorLastname, F. I. (Date). "Article Title." Journal Title, Vol, pages. doi:xxxxxxxxxx