Cita APA (7a ed.)

Bragdon, H. W., Cole, C. W., & McCutchen, S. P. (1970). A free people: The United States in the formative years. Macmillan.

Cita Chicago Style (17a ed.)

Bragdon, Henry W., Charles W. Cole, y Samuel P. McCutchen. A Free People: The United States in the Formative Years. New York: Macmillan, 1970.

Cita MLA (9a ed.)

Bragdon, Henry W., et al. A Free People: The United States in the Formative Years. Macmillan, 1970.