APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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