Cita APA (7th ed.)

Johannsen, R. W. (1965). The Lincoln-Douglas debates of 1858 (2a. ed.). Oxford.

Cita Chicago (17th ed.)

Johannsen, Robert W. The Lincoln-Douglas Debates of 1858. 2a. ed. Nueva York: Oxford, 1965.

Cita MLA (9th ed.)

Johannsen, Robert W. The Lincoln-Douglas Debates of 1858. 2a. ed. Oxford, 1965.