Cita APA

Williams, O. E., O'Mahony, C., & Alawattegama, A. B. (1990). Pelvic inflammatory disease.

Citación estilo Chicago

Williams, Olwen E., Colm O'Mahony, y A B. Alawattegama. Pelvic Inflammatory Disease. 1990.

Cita MLA

Williams, Olwen E., Colm O'Mahony, y A B. Alawattegama. Pelvic Inflammatory Disease. 1990.