Cita APA (7th ed.)

Michael, E., Bhargava, A., Bundy, D., Peto, R., Cooper, E., Savioli, L., . . . Awasthi, S. (2000). Treatment for intestinal helminth infection [7] (multiple letters).

Cita Chicago (17th ed.)

Michael, E., et al. Treatment for Intestinal Helminth Infection [7] (multiple Letters). 2000.

Cita MLA (9th ed.)

Michael, E., et al. Treatment for Intestinal Helminth Infection [7] (multiple Letters). 2000.