APA
Wong W. D., Wexner S. D., Lowry A., Vernava A., Burnstein M., Denstman F., Fazio V., Kerner B., Moore R., Oliver G., Peters W., Ross T., Senatore P. & Simmang C. (20000331). Practice parameters for the treatment of sigmoid diverticulitis--supporting documentation. The Standards Task Force. The American Society of Colon and Rectal Surgeons. : Diseases of the colon and rectum.
Chicago
Wong W D, Wexner S D, Lowry A, Vernava A, Burnstein M, Denstman F, Fazio V, Kerner B, Moore R, Oliver G, Peters W, Ross T, Senatore P and Simmang C. 20000331. Practice parameters for the treatment of sigmoid diverticulitis--supporting documentation. The Standards Task Force. The American Society of Colon and Rectal Surgeons. : Diseases of the colon and rectum.
Harvard
Wong W. D., Wexner S. D., Lowry A., Vernava A., Burnstein M., Denstman F., Fazio V., Kerner B., Moore R., Oliver G., Peters W., Ross T., Senatore P. and Simmang C. (20000331). Practice parameters for the treatment of sigmoid diverticulitis--supporting documentation. The Standards Task Force. The American Society of Colon and Rectal Surgeons. : Diseases of the colon and rectum.
MLA
Wong W D, Wexner S D, Lowry A, Vernava A, Burnstein M, Denstman F, Fazio V, Kerner B, Moore R, Oliver G, Peters W, Ross T, Senatore P and Simmang C. Practice parameters for the treatment of sigmoid diverticulitis--supporting documentation. The Standards Task Force. The American Society of Colon and Rectal Surgeons. : Diseases of the colon and rectum. 20000331.