Cita APA

Thomas, W. D. (1981). The 1981 presidential valediction.

Chicago Style Citation

Thomas, W. D. The 1981 Presidential Valediction. 1981.

Cita MLA

Thomas, W. D. The 1981 Presidential Valediction. 1981.

Atenció: Aquestes cites poden no estar 100% correctes.