Cita APA (7a ed.)

Sun, P. P. (1972). The defense of freedom. s.n.

Cita Chicago Style (17a ed.)

Sun, Patrick Pichi. The Defense of Freedom. [S.l: s.n, 1972.

Cita MLA (9a ed.)

Sun, Patrick Pichi. The Defense of Freedom. s.n, 1972.