APA (7th ed.) Citation

American public health association & Ravenel, M. P. (1921). A half century of public health; jubilee historical volume of the American public health association, in commemoration of the fiftieth anniversary celebration of its foundation, New York city, November 14-18, 1921. American public health association.

Chicago Style (17th ed.) Citation

American public health association and Mazyck Porcher Ravenel. A Half Century of Public Health; Jubilee Historical Volume of the American Public Health Association, in Commemoration of the Fiftieth Anniversary Celebration of Its Foundation, New York City, November 14-18, 1921. New York: American public health association, 1921.

MLA (9th ed.) Citation

American public health association and Mazyck Porcher Ravenel. A Half Century of Public Health; Jubilee Historical Volume of the American Public Health Association, in Commemoration of the Fiftieth Anniversary Celebration of Its Foundation, New York City, November 14-18, 1921. American public health association, 1921.