Cita APA

Servan-Schreiber, J., & Stell, R. (1969). The american challenge (Sixt printing.). New York: Atheneum.

Citación estilo Chicago

Servan-Schreiber, J.J.,, y Ronald Stell. The American Challenge. Sixt printing. New York: Atheneum, 1969.

Cita MLA

Servan-Schreiber, J.J.,, y Ronald Stell. The American Challenge. Sixt printing. New York: Atheneum, 1969.