Forchheimer, F., Billings, F., & Irons, E. E. (1913). Forchheimer's Therapeusis of internal diseases / edited by Frank Billings, S.M., M.D. D. Appleton and Company.
Chicago Style (17th ed.) CitationForchheimer, F., Frank Billings, and Ernest E. Irons. Forchheimer's Therapeusis of Internal Diseases / Edited by Frank Billings, S.M., M.D. New York ; London: D. Appleton and Company, 1913.
MLA (9th ed.) CitationForchheimer, F., et al. Forchheimer's Therapeusis of Internal Diseases / Edited by Frank Billings, S.M., M.D. D. Appleton and Company, 1913.
Warning: These citations may not always be 100% accurate.