APA (7th ed.) Citation

Coca, A. F., Walzer, M., & Thommen, A. A. (1931). Asthma and hay fever in theory and practice. C.C. Thomas.

Chicago Style (17th ed.) Citation

Coca, Arthur F., Matthew Walzer, and August Astor Thommen. Asthma and Hay Fever in Theory and Practice. Springfield, Ill.: C.C. Thomas, 1931.

MLA (9th ed.) Citation

Coca, Arthur F., et al. Asthma and Hay Fever in Theory and Practice. C.C. Thomas, 1931.