Cita APA

Clarke, A. H., Dixon, R. A., & Rickards, D. F. (1969). "Practis". (General) Practice Recording and Computer Terminal Information System. Royal College of General Practicioners.

Citación estilo Chicago

Clarke, A. H., R. A. Dixon, y D. F. Rickards. "Practis". (General) Practice Recording and Computer Terminal Information System. Royal College of General Practicioners, 1969.

Cita MLA

Clarke, A. H., R. A. Dixon, y D. F. Rickards. "Practis". (General) Practice Recording and Computer Terminal Information System. Royal College of General Practicioners, 1969.