Cita APA (7a ed.)

Fry, J., Gambrill, E., & Smith, R. (1978). Scientific foundations of family medicine. Year Book Medical.

Cita Chicago Style (17a ed.)

Fry, John, Eric Gambrill, y Robert Smith. Scientific Foundations of Family Medicine. Year Book Medical, 1978.

Cita MLA (9a ed.)

Fry, John, et al. Scientific Foundations of Family Medicine. Year Book Medical, 1978.