Cita APA (7a ed.)

Calkins, S. (2021). The sign of the gallows (First world edition.). Severn House.

Cita Chicago Style (17a ed.)

Calkins, Susanna. The Sign of the Gallows. First world edition. London: Severn House, 2021.

Cita MLA (8a ed.)

Calkins, Susanna. The Sign of the Gallows. First world edition. Severn House, 2021.

Precaución: Estas citas no son 100% exactas.