Cita APA (7th ed.)

(1966). Prelude to analysis. Prentice-Hall.

Cita Chicago (17th ed.)

Prelude to Analysis. New Jersey: Prentice-Hall, 1966.

Cita MLA (9th ed.)

Prelude to Analysis. Prentice-Hall, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.