Cita APA (7a ed.)
Pullman, P. The Subtle Knife: His Dark Materials. Yearling.
Cita estilo Chicago (17a ed.)
Pullman, Philip. The Subtle Knife: His Dark Materials. Nueva York, EUA: Yearling.
Cita MLA (9a ed.)
Pullman, Philip. The Subtle Knife: His Dark Materials. Yearling.
Precaución: Estas citas no son 100% exactas.