eBook from a database or a Print version
Author, A., & Author, B. (Year of publication). Title of chapter or entry. In A. Editor, B. Editor, & C. Editor (Eds.), Title of book: Subtitle of book (edition., pp. xxx-xxx). Name of publisher.
Feldt, K. S., & Smith, B. (2008). Pain assessment in the older adult. In M. P. Jansen (Ed.), Managing pain in the older adult (3rd ed., pp. 35-54). Springer Publishing Company.
eBook with DOI
Author, A., & Author, B. (Year of publication). Title of chapter or entry. In A. Editor, B. Editor, & C. Editor (Eds.), Title of book: Subtitle of book (ed., pp. xxx-xxx). Name of Publisher. https://doi:xxxxxxxxxxx
Buback, M., & Smith, B. (2000). Initiation and termination rates associated with free-radical polymerization in extended ranges of temperature and pressure. In K. Matyjaszewski (Ed), Controlled/living radical polymerization: Progress in ATRP, NMP, and RAFT (2nd ed., Vol. 768, pp. 212-255). CRC Press. https://doi: 10.1021/bk-2000-0768
eBook with URL from non-database
Author, A., & Author, B. (Year of publication). Title of chapter or entry. In A. Editor, B. Editor, & C. Editor (Eds.), Title of book: Subtitle of book (ed., pp. xxx-xxx). Name of publisher. URL
Burchsted, F., & Smith, B. (2014). Biography. In J.B. Whitlatch & S. E. Searning (Eds.), Guide to Reference: Essential general reference and library science sources (2nd ed., pp. 20-30). CRC Press. https://reference-guides.com