APA (7th ed.) Citation

Joo, H., Maskery, B. A., Watkins, L. K. F., Park, J., Angelo, K. M., & Halsey, E. S. Costs of typhoid vaccination for international travelers from the United States. Elsevier.

Chicago Style (17th ed.) Citation

Joo, Heesoo, Brian A. Maskery, Louise K. Francois Watkins, Joohyun Park, Kristina M. Angelo, and Eric S. Halsey. Costs of Typhoid Vaccination for International Travelers from the United States. Elsevier.

MLA (9th ed.) Citation

Joo, Heesoo, et al. Costs of Typhoid Vaccination for International Travelers from the United States. Elsevier.