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
Author's Last Name, First Initial. Middle Initial. (Year of Publication). Title of book: Subtitle of book. edition. City of Publication, State: Publisher. (Looks like print if retrieved from a database)
Author's Last Name, First Initial. Middle Initial. (Year of Publication). Title of book: Subtitle of book. edition. Retrieved from home URL for authoritative website
Author's Last Name, First Initial. Middle Initial. (Year of Publication). Title of book: Subtitle of book. edition. doi number
E-book Example: Roush, C. (1999). Inside Home Depot: How one company revolutionized an industry through the relentless pursuit of growth. New York, NY: Jossey-Bass.
Speed, H. (2004). The practice and science of drawing. Retrieved from http://www.gutenberg.org/etext/14264
Rodriguez-Garcia, R., & White, E. M. (2005). Self-assessment in managing for results: Conducting self-assessment for development practitioners. doi: 10.1596/9780-82136148-1