Cita APA (7th ed.)

Buchan, J. (1959). The thirty-nine steps (New ed. (re-set).). Pan Books.

Cita Chicago (17th ed.)

Buchan, John. The Thirty-nine Steps. New ed. (re-set). London: Pan Books, 1959.

Cita MLA (9th ed.)

Buchan, John. The Thirty-nine Steps. New ed. (re-set). Pan Books, 1959.