Cita APA

Wakefield, J. S., & Yarnall, S. R. (1975). The history database: Computer-processed and other medical questionnaires (3d ed.). Medical Computer Services Association.

Citación estilo Chicago

Wakefield, Jay S., and Stephen R. Yarnall. The History Database: Computer-processed and Other Medical Questionnaires. 3d ed. Seattle: Medical Computer Services Association, 1975.

Cita MLA

Wakefield, Jay S., and Stephen R. Yarnall. The History Database: Computer-processed and Other Medical Questionnaires. 3d ed. Medical Computer Services Association, 1975.