APA citiranje

Wahdan, M. H., Serie, C., Germanier, R., Lackany, A., Cerisier, Y., Guerin, N., . . . Guesry, P. (1980). A controlled field trial of live oral typhoid vaccine Ty21a.

Citação norma Chicago

Wahdan, M. H., et al. A Controlled Field Trial of Live Oral Typhoid Vaccine Ty21a. 1980.

MLA citiranje

Wahdan, M. H., et al. A Controlled Field Trial of Live Oral Typhoid Vaccine Ty21a. 1980.