APA (7th ed.) Citation

Jacobs, E. E. (1920). A study of the physical vigor of American women. M. Jones.

Chicago Style (17th ed.) Citation

Jacobs, Edwin Elmore. A Study of the Physical Vigor of American Women. Boston: M. Jones, 1920.

MLA (9th ed.) Citation

Jacobs, Edwin Elmore. A Study of the Physical Vigor of American Women. M. Jones, 1920.