Style de citation APA (7e éd.)

Willoughby, E. F. (1893). Handbook of public health and demography ([3d ed.].). Macmillan.

Style de citation Chicago (17e éd.)

Willoughby, Edward F. Handbook of Public Health and Demography. [3d ed.]. London: Macmillan, 1893.

Style de citation MLA (8e éd.)

Willoughby, Edward F. Handbook of Public Health and Demography. [3d ed.]. Macmillan, 1893.