APA (7th ed.) Citation

Ballenger, J. J., Ballenger, W. L., & Ballenger, H. C. (1969). Diseases of the nose, throat, and ear. Lea & Febiger.

Chicago Style (17th ed.) Citation

Ballenger, John Jacob, William Lincoln Ballenger, and Howard Charles Ballenger. Diseases of the Nose, Throat, and Ear. Philadelphia: Lea & Febiger, 1969.

MLA (9th ed.) Citation

Ballenger, John Jacob, et al. Diseases of the Nose, Throat, and Ear. Lea & Febiger, 1969.