APA

Porcher Ravenel M. e., . (1970). A half century of public health. New York: Arrow Press.

Chicago

Porcher Ravenel Mazyck ed, . 1970. A half century of public health. New York: Arrow Press.

Harvard

Porcher Ravenel M. e., . (1970). A half century of public health. New York: Arrow Press.

MLA

Porcher Ravenel Mazyck ed, . A half century of public health. New York: Arrow Press. 1970.