Na evidance for Chagas disease in acient human remains

Very importan that when you quote, summarize, or use the ideas from any source, you should list the authors last name, followed by a comma, then by publication year in parentheses in text.If a source comes from internet,a link should follow in parentheses. Thank you.
. Vey important that you use 4 references i wrote above. You can use additional 2 references of your choise as, but all sources should not b older that year 1995. All sources should b on academical level.
Here are the references for this research paper :
1.Ferreira, L. F., Britto, C., Cardoso, M. A., Fernandes, O., Reinhard, K., & Araujo, A. (2000). Paleoparasitclogy of Chagas disease revaled by infected tissues from Chilean mummies. Acta Tropica, 75(1), 79-84.
2. Guhl, F., Jaramillo, C., Vallejo, G. A., A-Arroyo, F. C., & Aufderheide, A. (2000). Chagas disease and human migration. 553-555.
3.Aufderheide, A. C., Salo, W., Madden, M., Streitz, J., Buikstra, J., Guhl, F., et al. (2004). A 9,000-year record of Chagas disease. Proc Natl Acad Sci U S A, 101(7), 2034-2039.
4. Rollo, F., & Marota, I. (1999). How microbial ancient DNA, found in association with human remains, can be interpreted. 111-119.