APA (7th ed.) Citation

Clark, T. J. H., & Godfrey, S. (1977). Asthma. Saunders.

Chicago Style (17th ed.) Citation

Clark, T. J. H., and S. Godfrey. Asthma. Philadelphia: Saunders, 1977.

MLA (9th ed.) Citation

Clark, T. J. H., and S. Godfrey. Asthma. Saunders, 1977.

Warning: These citations may not always be 100% accurate.