Cita APA

Koblin, B. A., & Townsend, T. R. (1989). Immunity to diphtheria and tetanus in inner-city women of childbearing age.

Chicago Style Citation

Koblin, B A., i T R. Townsend. Immunity to Diphtheria and Tetanus in Inner-city Women of Childbearing Age. 1989.

Cita MLA

Koblin, B A., i T R. Townsend. Immunity to Diphtheria and Tetanus in Inner-city Women of Childbearing Age. 1989.