Cita APA

Buchan, J., & Hopkins, A. The Thirty-Nine Steps / by John Buchan ; simplified by Roland John ; ed. Andy Hopkins and Jocelyn Potter. China : Longman.

Citación estilo Chicago

Buchan, John, y Andy Hopkins. The Thirty-Nine Steps / By John Buchan ; Simplified By Roland John ; Ed. Andy Hopkins and Jocelyn Potter. China : Longman.

Cita MLA

Buchan, John, y Andy Hopkins. The Thirty-Nine Steps / By John Buchan ; Simplified By Roland John ; Ed. Andy Hopkins and Jocelyn Potter. China : Longman.