Examples are not double-spaced, but your References list should be double-spaced
Examples do not show indented lines after the first line, but yours should be indented
General format for articles:
Author, A. A., Author, B. B., & Author, C. C. (Year). Title of article. Title of Periodical, volume number(issue number), pages. https://doi.org/xx.xxx/yyyy
Electronic Journal: McCauley, S. M., & Christiansen, M. H. (2019). Language learning as language use: A cross-linguistic model of child language development. Psychological Review, 126(1), 1-51. https://doi.org/10.1037/rev0000126
Newspaper: Guarino, B. (2017, December 4). How will humanity react to alien life? Psychologists have some predictions. The Washington Post. https://www.washingtonpost.com/news/speaking-of-science/wp/2017/12/04/how-will-humanity-reach-to-alien-life-psychologists-have-some-predictions
Magazine: Henry, W. A., III. (1990, April). Making the grade in today's schools. Time, 135, 28-31.
General Format for Books: Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Publisher Name.
Edited Book: Editor, A. A. (Ed.) (Year). Book title. Publisher.
General Format: Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. URL
General format: Author. (Date). Title. Site Name. URL