APA引文

Charache, P., Cameron, J. L., Maters, A. W., & Frantz, E. I. (1991). Prevalence of infection with human immunodeficiency virus in elective surgery patients.

Citação norma Chicago

Charache, P., J L. Cameron, A W. Maters, and E I. Frantz. Prevalence of Infection With Human Immunodeficiency Virus in Elective Surgery Patients. 1991.

MLA引文

Charache, P., J L. Cameron, A W. Maters, and E I. Frantz. Prevalence of Infection With Human Immunodeficiency Virus in Elective Surgery Patients. 1991.

警告：這些引文格式不一定是100％准確.