Cita APA (7a ed.)

Davidson, A. T., & Barbini, J. (1985). The United States: Its history and neighbors. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Davidson, Anita T., y John Barbini. The United States: Its History and Neighbors. Orlando [u.a.]: Harcourt Brace Jovanovich, 1985.

Cita MLA (9a ed.)

Davidson, Anita T., y John Barbini. The United States: Its History and Neighbors. Harcourt Brace Jovanovich, 1985.