Cita APA (7a ed.)
Trease, G. This is Your Century. Heinemann.
Cita estilo Chicago (17a ed.)
Trease, Geoffrey. This Is Your Century. Londres, Inglaterra: Heinemann.
Cita MLA (9a ed.)
Trease, Geoffrey. This Is Your Century. Heinemann.
Precaución: Estas citas no son 100% exactas.