Cita APA (7th ed.)

Vasquez, J. A. (1993). The war puzzle. Univ. Pr.

Cita Chicago (17th ed.)

Vasquez, John A. The War Puzzle. Cambridge: Univ. Pr, 1993.

Cita MLA (9th ed.)

Vasquez, John A. The War Puzzle. Univ. Pr, 1993.