@inbook{1185635561, author={Kenneth J. Ryan}, title={Sarcomastigophora—The Amebas}, booktitle={Sherris & Ryan's Medical Microbiology, 8th Edition}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2022}, url={accessmedicine.mhmedical.com/content.aspx?aid=1185635561} }